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25728296 = 2311292367
BaseRepresentation
bin110001000100…
…1010100101000
31210102010120212
41202021110220
523041301141
62315240252
7431454416
oct142112450
953363525
1025728296
1113583060
128749088
13543a859
1435ba2b6
1523d32eb
hex1889528

25728296 has 16 divisors (see below), whose sum is σ = 52626240. Its totient is φ = 11694640.

The previous prime is 25728289. The next prime is 25728301. The reversal of 25728296 is 69282752.

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, 146096 + ... + 146271.

It is an arithmetic number, because the mean of its divisors is an integer number (3289140).

Almost surely, 225728296 is an apocalyptic number.

It is an amenable number.

25728296 is an abundant number, since it is smaller than the sum of its proper divisors (26897944).

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

25728296 is a wasteful number, since it uses less digits than its factorization.

25728296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292384 (or 292380 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 25728296 is about 5072.3067730570. The cubic root of 25728296 is about 295.2140398186.

The spelling of 25728296 in words is "twenty-five million, seven hundred twenty-eight thousand, two hundred ninety-six".

Divisors: 1 2 4 8 11 22 44 88 292367 584734 1169468 2338936 3216037 6432074 12864148 25728296