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214390224 = 243219127617
BaseRepresentation
bin11001100011101…
…01010111010000
3112221102011002200
430301311113100
5414340441344
633135043200
75212200246
oct1461652720
9487364080
10214390224
11100021604
125b970500
1335555229
142068a796
1513c4d069
hexcc755d0

214390224 has 120 divisors (see below), whose sum is σ = 637578240. Its totient is φ = 67060224.

The previous prime is 214390181. The next prime is 214390237. The reversal of 214390224 is 422093412.

214390224 is a `hidden beast` number, since 2 + 1 + 439 + 0 + 224 = 666.

214390224 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347164 + ... + 347780.

It is an arithmetic number, because the mean of its divisors is an integer number (5313152).

Almost surely, 2214390224 is an apocalyptic number.

214390224 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 214390224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318789120).

214390224 is an abundant number, since it is smaller than the sum of its proper divisors (423188016).

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

214390224 is a wasteful number, since it uses less digits than its factorization.

214390224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 214390224 is about 14642.0703454122. The cubic root of 214390224 is about 598.5057484430.

The spelling of 214390224 in words is "two hundred fourteen million, three hundred ninety thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 127 144 152 171 228 254 304 342 381 456 508 617 684 762 912 1016 1143 1234 1368 1524 1851 2032 2286 2413 2468 2736 3048 3702 4572 4826 4936 5553 6096 7239 7404 9144 9652 9872 11106 11723 14478 14808 18288 19304 21717 22212 23446 28956 29616 35169 38608 43434 44424 46892 57912 70338 78359 86868 88848 93784 105507 115824 140676 156718 173736 187568 211014 235077 281352 313436 347472 422028 470154 562704 626872 705231 844056 940308 1253744 1410462 1488821 1688112 1880616 2820924 2977642 3761232 4466463 5641848 5955284 8932926 11283696 11910568 13399389 17865852 23821136 26798778 35731704 53597556 71463408 107195112 214390224