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255072928 = 2511724639
BaseRepresentation
bin11110011010000…
…01101010100000
3122202222001021111
433031001222200
51010244313203
641151033104
76215040565
oct1715015240
9582861244
10255072928
11120a89080
127150b794
1340aca736
1425c3a86c
15175d726d
hexf341aa0

255072928 has 24 divisors (see below), whose sum is σ = 547827840. Its totient is φ = 115942080.

The previous prime is 255072919. The next prime is 255072943. The reversal of 255072928 is 829270552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361968 + ... + 362671.

It is an arithmetic number, because the mean of its divisors is an integer number (22826160).

Almost surely, 2255072928 is an apocalyptic number.

It is an amenable number.

255072928 is an abundant number, since it is smaller than the sum of its proper divisors (292754912).

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

255072928 is a wasteful number, since it uses less digits than its factorization.

255072928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724660 (or 724652 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 255072928 is about 15971.0027236864. The cubic root of 255072928 is about 634.1930170903.

The spelling of 255072928 in words is "two hundred fifty-five million, seventy-two thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 724639 1449278 2898556 5797112 7971029 11594224 15942058 23188448 31884116 63768232 127536464 255072928