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255902460 = 2235114371127
BaseRepresentation
bin11110100000011…
…00001011111100
3122211112012011220
433100030023330
51011002334320
641220513340
76225064212
oct1720141374
9584465156
10255902460
111214a5340
127184b850
134102b198
1425db4cb2
15176ece40
hexf40c2fc

255902460 has 192 divisors, whose sum is σ = 817496064. Its totient is φ = 59270400.

The previous prime is 255902459. The next prime is 255902473. The reversal of 255902460 is 64209552.

255902460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2014917 + ... + 2015043.

It is an arithmetic number, because the mean of its divisors is an integer number (4257792).

Almost surely, 2255902460 is an apocalyptic number.

255902460 is a gapful number since it is divisible by the number (20) 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 255902460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408748032).

255902460 is an abundant number, since it is smaller than the sum of its proper divisors (561593604).

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

255902460 is a wasteful number, since it uses less digits than its factorization.

255902460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 255902460 is about 15996.9515845989. The cubic root of 255902460 is about 634.8797672625.

The spelling of 255902460 in words is "two hundred fifty-five million, nine hundred two thousand, four hundred sixty".