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25755996 = 2237378287
BaseRepresentation
bin110001001000…
…0000101011100
31210110112120210
41202100011130
523043142441
62320012420
7431631240
oct142200534
953415523
1025755996
11135a1952
128761110
13544a346
1435c6420
1523db616
hex189015c

25755996 has 48 divisors (see below), whose sum is σ = 70547456. Its totient is φ = 7159104.

The previous prime is 25755949. The next prime is 25755997. The reversal of 25755996 is 69955752.

It is a happy number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25755997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036 + ... + 7251.

Almost surely, 225755996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25755996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35273728).

25755996 is an abundant number, since it is smaller than the sum of its proper divisors (44791460).

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

25755996 is a wasteful number, since it uses less digits than its factorization.

25755996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338 (or 8336 counting only the distinct ones).

The product of its digits is 850500, while the sum is 48.

The square root of 25755996 is about 5075.0365515925. The cubic root of 25755996 is about 295.3199478035.

The spelling of 25755996 in words is "twenty-five million, seven hundred fifty-five thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 518 777 1036 1554 3108 8287 16574 24861 33148 49722 58009 99444 116018 174027 232036 306619 348054 613238 696108 919857 1226476 1839714 2146333 3679428 4292666 6438999 8585332 12877998 25755996