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25134212 = 2220693037
BaseRepresentation
bin101111111100…
…0010010000100
31202021221122202
41133320102010
522413243322
62254414032
7423431405
oct137702204
952257582
1025134212
1113207784
128501318
13529031c
1434a39ac
152317292
hex17f8484

25134212 has 12 divisors (see below), whose sum is σ = 44020620. Its totient is φ = 12556896.

The previous prime is 25134209. The next prime is 25134217. The reversal of 25134212 is 21243152.

It can be written as a sum of positive squares in 2 ways, for example, as 12630916 + 12503296 = 3554^2 + 3536^2 .

It is a super-2 number, since 2×251342122 = 1263457225721888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25134217) 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, 6758 + ... + 9794.

It is an arithmetic number, because the mean of its divisors is an integer number (3668385).

Almost surely, 225134212 is an apocalyptic number.

It is an amenable number.

25134212 is a deficient number, since it is larger than the sum of its proper divisors (18886408).

25134212 is a wasteful number, since it uses less digits than its factorization.

25134212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110 (or 5108 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 25134212 is about 5013.4032353283. The cubic root of 25134212 is about 292.9240912747.

Adding to 25134212 its reverse (21243152), we get a palindrome (46377364).

The spelling of 25134212 in words is "twenty-five million, one hundred thirty-four thousand, two hundred twelve".

Divisors: 1 2 4 2069 3037 4138 6074 8276 12148 6283553 12567106 25134212