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315132 = 22326261
BaseRepresentation
bin1001100111011111100
3121000021120
41030323330
540041012
610430540
72451516
oct1147374
9530246
10315132
111a5844
12132450
13b058c
1482bb6
156358c
hex4cefc

315132 has 12 divisors (see below), whose sum is σ = 735336. Its totient is φ = 105040.

The previous prime is 315127. The next prime is 315179. The reversal of 315132 is 231513.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13119 + ... + 13142.

It is an arithmetic number, because the mean of its divisors is an integer number (61278).

2315132 is an apocalyptic number.

It is an amenable number.

315132 is an abundant number, since it is smaller than the sum of its proper divisors (420204).

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

315132 is a wasteful number, since it uses less digits than its factorization.

315132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26268 (or 26266 counting only the distinct ones).

The product of its digits is 90, while the sum is 15.

The square root of 315132 is about 561.3661906456. The cubic root of 315132 is about 68.0504239610.

Adding to 315132 its reverse (231513), we get a palindrome (546645).

The spelling of 315132 in words is "three hundred fifteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 26261 52522 78783 105044 157566 315132