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224443968 = 2637315387
BaseRepresentation
bin11010110000010…
…11111001000000
3120122022221020120
431120023321000
5424424201333
634134340240
75363512410
oct1530137100
9518287216
10224443968
11105769091
12631ba680
13376653a8
1421b46640
1514a86db3
hexd60be40

224443968 has 112 divisors (see below), whose sum is σ = 700698624. Its totient is φ = 62046720.

The previous prime is 224443957. The next prime is 224443969. The reversal of 224443968 is 869344422.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (224443969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38971 + ... + 44357.

Almost surely, 2224443968 is an apocalyptic number.

224443968 is a gapful number since it is divisible by the number (28) 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 224443968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350349312).

224443968 is an abundant number, since it is smaller than the sum of its proper divisors (476254656).

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

224443968 is a wasteful number, since it uses less digits than its factorization.

224443968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440 (or 5430 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 224443968 is about 14981.4541350298. The cubic root of 224443968 is about 607.7187642071.

The spelling of 224443968 in words is "two hundred twenty-four million, four hundred forty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 62 64 84 93 96 112 124 168 186 192 217 224 248 336 372 434 448 496 651 672 744 868 992 1302 1344 1488 1736 1984 2604 2976 3472 5208 5387 5952 6944 10416 10774 13888 16161 20832 21548 32322 37709 41664 43096 64644 75418 86192 113127 129288 150836 166997 172384 226254 258576 301672 333994 344768 452508 500991 517152 603344 667988 905016 1001982 1034304 1168979 1206688 1335976 1810032 2003964 2337958 2413376 2671952 3506937 3620064 4007928 4675916 5343904 7013874 7240128 8015856 9351832 10687808 14027748 16031712 18703664 28055496 32063424 37407328 56110992 74814656 112221984 224443968