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25056164 = 2271752639
BaseRepresentation
bin101111110010…
…1001110100100
31202010222121002
41133211032210
522403244124
62253012432
7422655020
oct137451644
952128532
1025056164
1113164081
128484118
135263943
143483380
1522ee0ae
hex17e53a4

25056164 has 24 divisors (see below), whose sum is σ = 53061120. Its totient is φ = 10106496.

The previous prime is 25056151. The next prime is 25056169. The reversal of 25056164 is 46165052.

25056164 = T460 + T461 + ... + T627.

It is a super-2 number, since 2×250561642 = 1255622708789792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25056169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25844 + ... + 26795.

It is an arithmetic number, because the mean of its divisors is an integer number (2210880).

Almost surely, 225056164 is an apocalyptic number.

It is an amenable number.

25056164 is an abundant number, since it is smaller than the sum of its proper divisors (28004956).

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

25056164 is a wasteful number, since it uses less digits than its factorization.

25056164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52667 (or 52665 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 25056164 is about 5005.6132491434. The cubic root of 25056164 is about 292.6205760952.

The spelling of 25056164 in words is "twenty-five million, fifty-six thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 52639 105278 210556 368473 736946 894863 1473892 1789726 3579452 6264041 12528082 25056164