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25432568 = 237264879
BaseRepresentation
bin110000100000…
…1000111111000
31202212002220222
41201001013320
523002320233
62305035212
7426113300
oct141010770
952762828
1025432568
11133a0957
128625b08
135366075
143540600
152375898
hex18411f8

25432568 has 24 divisors (see below), whose sum is σ = 55472400. Its totient is φ = 10899504.

The previous prime is 25432567. The next prime is 25432609. The reversal of 25432568 is 86523452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25432567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32048 + ... + 32831.

It is an arithmetic number, because the mean of its divisors is an integer number (2311350).

Almost surely, 225432568 is an apocalyptic number.

25432568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25432568 is an abundant number, since it is smaller than the sum of its proper divisors (30039832).

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

25432568 is a wasteful number, since it uses less digits than its factorization.

25432568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64899 (or 64888 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 25432568 is about 5043.0712864285. The cubic root of 25432568 is about 294.0785882124.

The spelling of 25432568 in words is "twenty-five million, four hundred thirty-two thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 64879 129758 259516 454153 519032 908306 1816612 3179071 3633224 6358142 12716284 25432568