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255370856 = 231315672
BaseRepresentation
bin11110011100010…
…10011001101000
3122210112011221212
433032022121220
51010333331411
641201252252
76220421306
oct1716123150
9583464855
10255370856
111211719a4
1271634088
1340ba3220
1425cb7276
151764568b
hexf38a668

255370856 has 24 divisors (see below), whose sum is σ = 515981970. Its totient is φ = 117788256.

The previous prime is 255370853. The next prime is 255370859. The reversal of 255370856 is 658073552.

255370856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255370853) and next prime (255370859).

It can be written as a sum of positive squares in only one way, i.e., 245548900 + 9821956 = 15670^2 + 3134^2 .

It is not an unprimeable number, because it can be changed into a prime (255370853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162185 + ... + 163751.

Almost surely, 2255370856 is an apocalyptic number.

255370856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255370856 is an abundant number, since it is smaller than the sum of its proper divisors (260611114).

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

255370856 is an equidigital number, since it uses as much as digits as its factorization.

255370856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 255370856 is about 15980.3271555998. The cubic root of 255370856 is about 634.4398358381.

The spelling of 255370856 in words is "two hundred fifty-five million, three hundred seventy thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 104 1567 3134 6268 12536 20371 40742 81484 162968 2455489 4910978 9821956 19643912 31921357 63842714 127685428 255370856