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25338972 = 22313715413
BaseRepresentation
bin110000010101…
…0010001011100
31202200100112110
41200222101130
522441321342
62303034020
7425243361
oct140522134
952610473
1025338972
11133375aa
12859b910
135332599
143518468
152357c9c
hex182a45c

25338972 has 24 divisors (see below), whose sum is σ = 59559696. Its totient is φ = 8384128.

The previous prime is 25338967. The next prime is 25339001. The reversal of 25338972 is 27983352.

It is a self number, because there is not a number n which added to its sum of digits gives 25338972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6063 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (2481654).

Almost surely, 225338972 is an apocalyptic number.

It is an amenable number.

25338972 is an abundant number, since it is smaller than the sum of its proper divisors (34220724).

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

25338972 is a wasteful number, since it uses less digits than its factorization.

25338972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15557 (or 15555 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 25338972 is about 5033.7830704153. The cubic root of 25338972 is about 293.7173923667.

The spelling of 25338972 in words is "twenty-five million, three hundred thirty-eight thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 15413 30826 46239 61652 92478 184956 2111581 4223162 6334743 8446324 12669486 25338972