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224262144 = 21132233
BaseRepresentation
bin11010101110111…
…11100000000000
3120121222200211100
431113133200000
5424402342034
634130414400
75362124331
oct1527374000
9517880740
10224262144
11105654517
1263131400
13376006c2
1421ada288
1514a4d099
hexd5df800

224262144 has 144 divisors (see below), whose sum is σ = 677149200. Its totient is φ = 71503872.

The previous prime is 224262139. The next prime is 224262161. The reversal of 224262144 is 441262422.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

224262144 is a `hidden beast` number, since 22 + 426 + 214 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9750517 + ... + 9750539.

It is an arithmetic number, because the mean of its divisors is an integer number (4702425).

Almost surely, 2224262144 is an apocalyptic number.

224262144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224262144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338574600).

224262144 is an abundant number, since it is smaller than the sum of its proper divisors (452887056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224262144 is an frugal number, since it uses more digits than its factorization.

224262144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 28 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 224262144 is about 14975.3846027406. The cubic root of 224262144 is about 607.5546137966.

The spelling of 224262144 in words is "two hundred twenty-four million, two hundred sixty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 64 69 72 92 96 128 138 144 184 192 207 256 276 288 368 384 414 512 529 552 576 736 768 828 1024 1058 1104 1152 1472 1536 1587 1656 2048 2116 2208 2304 2944 3072 3174 3312 4232 4416 4608 4761 5888 6144 6348 6624 8464 8832 9216 9522 11776 12167 12696 13248 16928 17664 18432 19044 23552 24334 25392 26496 33856 35328 36501 38088 47104 48668 50784 52992 67712 70656 73002 76176 97336 101568 105984 109503 135424 141312 146004 152352 194672 203136 211968 219006 270848 292008 304704 389344 406272 423936 438012 541696 584016 609408 778688 812544 876024 1083392 1168032 1218816 1557376 1625088 1752048 2336064 2437632 3114752 3250176 3504096 4672128 4875264 6229504 7008192 9344256 9750528 12459008 14016384 18688512 24918016 28032768 37377024 56065536 74754048 112131072 224262144