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25133264 = 2413120833
BaseRepresentation
bin101111111100…
…0000011010000
31202021220100122
41133320003100
522413231024
62254405412
7423425552
oct137700320
952256318
1025133264
1113206aa2
128500868
13528ca70
1434a34d2
152316d5e
hex17f80d0

25133264 has 20 divisors (see below), whose sum is σ = 52441956. Its totient is φ = 11599872.

The previous prime is 25133263. The next prime is 25133309. The reversal of 25133264 is 46233152.

It can be written as a sum of positive squares in 2 ways, for example, as 9985600 + 15147664 = 3160^2 + 3892^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25133263) 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, 60209 + ... + 60624.

Almost surely, 225133264 is an apocalyptic number.

It is an amenable number.

25133264 is an abundant number, since it is smaller than the sum of its proper divisors (27308692).

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

25133264 is a wasteful number, since it uses less digits than its factorization.

25133264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120854 (or 120848 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 25133264 is about 5013.3086878827. The cubic root of 25133264 is about 292.9204084388.

The spelling of 25133264 in words is "twenty-five million, one hundred thirty-three thousand, two hundred sixty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 120833 241666 483332 966664 1570829 1933328 3141658 6283316 12566632 25133264