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25232960 = 26578853
BaseRepresentation
bin110000001000…
…0011001000000
31202110222010002
41200100121000
522424423320
62300455132
7424322324
oct140203100
952428102
1025232960
1113274995
12854a4a8
1352c625c
1434cb984
152336675
hex1810640

25232960 has 28 divisors (see below), whose sum is σ = 60086748. Its totient is φ = 10093056.

The previous prime is 25232953. The next prime is 25232971. The reversal of 25232960 is 6923252.

It can be written as a sum of positive squares in 2 ways, for example, as 4293184 + 20939776 = 2072^2 + 4576^2 .

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, 39107 + ... + 39746.

Almost surely, 225232960 is an apocalyptic number.

25232960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25232960 is an abundant number, since it is smaller than the sum of its proper divisors (34853788).

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

25232960 is an equidigital number, since it uses as much as digits as its factorization.

25232960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78870 (or 78860 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 25232960 is about 5023.2419810318. The cubic root of 25232960 is about 293.3072061210.

The spelling of 25232960 in words is "twenty-five million, two hundred thirty-two thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 78853 157706 315412 394265 630824 788530 1261648 1577060 2523296 3154120 5046592 6308240 12616480 25232960