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255156928 = 26131916141
BaseRepresentation
bin11110011010101…
…10001011000000
3122210010022111121
433031112023000
51010310010203
641152522024
76215540515
oct1715261300
9583108447
10255156928
111210361a4
1271550314
1340b29a40
1425c5d30c
15176020bd
hexf3562c0

255156928 has 56 divisors (see below), whose sum is σ = 574009520. Its totient is φ = 111559680.

The previous prime is 255156919. The next prime is 255156983. The reversal of 255156928 is 829651552.

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 7 ways as a sum of consecutive naturals, for example, 7738 + ... + 23878.

It is an arithmetic number, because the mean of its divisors is an integer number (10250170).

Almost surely, 2255156928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255156928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287004760).

255156928 is an abundant number, since it is smaller than the sum of its proper divisors (318852592).

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

255156928 is a wasteful number, since it uses less digits than its factorization.

255156928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185 (or 16175 counting only the distinct ones).

The product of its digits is 216000, while the sum is 43.

The square root of 255156928 is about 15973.6322732183. The cubic root of 255156928 is about 634.2626264201.

The spelling of 255156928 in words is "two hundred fifty-five million, one hundred fifty-six thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 13 16 19 26 32 38 52 64 76 104 152 208 247 304 416 494 608 832 988 1216 1976 3952 7904 15808 16141 32282 64564 129128 209833 258256 306679 419666 516512 613358 839332 1033024 1226716 1678664 2453432 3357328 3986827 4906864 6714656 7973654 9813728 13429312 15947308 19627456 31894616 63789232 127578464 255156928