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25238872 = 236151719
BaseRepresentation
bin110000001000…
…1110101011000
31202111021020001
41200101311120
522430120442
62300542344
7424345501
oct140216530
952437201
1025238872
111327937a
1285519b4
1352c8b59
1434cdba8
1523382b7
hex1811d58

25238872 has 16 divisors (see below), whose sum is σ = 48099600. Its totient is φ = 12412320.

The previous prime is 25238869. The next prime is 25238879. The reversal of 25238872 is 27883252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25238879) 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, 25372 + ... + 26347.

It is an arithmetic number, because the mean of its divisors is an integer number (3006225).

Almost surely, 225238872 is an apocalyptic number.

It is an amenable number.

25238872 is a deficient number, since it is larger than the sum of its proper divisors (22860728).

25238872 is a wasteful number, since it uses less digits than its factorization.

25238872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51786 (or 51782 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 25238872 is about 5023.8304111504. The cubic root of 25238872 is about 293.3301113053.

The spelling of 25238872 in words is "twenty-five million, two hundred thirty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 61 122 244 488 51719 103438 206876 413752 3154859 6309718 12619436 25238872