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25925428 = 2223892713
BaseRepresentation
bin110001011100…
…1011100110100
31210210011000001
41202321130310
523114103203
62323401044
7433235224
oct142713464
953704001
1025925428
11136a8181
128823184
1354a94b9
14362c084
15242191d
hex18b9734

25925428 has 12 divisors (see below), whose sum is σ = 45405220. Its totient is φ = 12952512.

The previous prime is 25925371. The next prime is 25925429. The reversal of 25925428 is 82452952.

It can be written as a sum of positive squares in 2 ways, for example, as 17791524 + 8133904 = 4218^2 + 2852^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25925429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8200 + ... + 10912.

Almost surely, 225925428 is an apocalyptic number.

It is an amenable number.

25925428 is a deficient number, since it is larger than the sum of its proper divisors (19479792).

25925428 is a wasteful number, since it uses less digits than its factorization.

25925428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106 (or 5104 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 25925428 is about 5091.7018765831. The cubic root of 25925428 is about 295.9661058098.

The spelling of 25925428 in words is "twenty-five million, nine hundred twenty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 2389 2713 4778 5426 9556 10852 6481357 12962714 25925428