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25425716 = 2215534093
BaseRepresentation
bin110000011111…
…1011100110100
31202211202112012
41200333130310
523002110331
62304543352
7426054311
oct140773464
952752465
1025425716
1113396798
128621b58
135362c04
14353bd08
15237382b
hex183f734

25425716 has 12 divisors (see below), whose sum is σ = 44534532. Its totient is φ = 12701568.

The previous prime is 25425713. The next prime is 25425767. The reversal of 25425716 is 61752452.

It can be written as a sum of positive squares in 2 ways, for example, as 6100900 + 19324816 = 2470^2 + 4396^2 .

It is a super-2 number, since 2×254257162 = 1292934068225312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) 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 (25425713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4166 + ... + 8258.

It is an arithmetic number, because the mean of its divisors is an integer number (3711211).

Almost surely, 225425716 is an apocalyptic number.

It is an amenable number.

25425716 is a deficient number, since it is larger than the sum of its proper divisors (19108816).

25425716 is a wasteful number, since it uses less digits than its factorization.

25425716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650 (or 5648 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 25425716 is about 5042.3918927430. The cubic root of 25425716 is about 294.0521757862.

The spelling of 25425716 in words is "twenty-five million, four hundred twenty-five thousand, seven hundred sixteen".

Divisors: 1 2 4 1553 3106 4093 6212 8186 16372 6356429 12712858 25425716