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315214532 = 225313710853
BaseRepresentation
bin10010110010011…
…100101011000100
3210222010120001022
4102302130223010
51121143331112
651140050312
710545164543
oct2262345304
9728116038
10315214532
11151a26386
1289693998
13503c6c99
142dc1415a
151ca16d72
hex12c9cac4

315214532 has 24 divisors (see below), whose sum is σ = 566188056. Its totient is φ = 153490688.

The previous prime is 315214531. The next prime is 315214547. The reversal of 315214532 is 235412513.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 91891396 + 223323136 = 9586^2 + 14944^2 .

It is not an unprimeable number, because it can be changed into a prime (315214531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23618 + ... + 34470.

It is an arithmetic number, because the mean of its divisors is an integer number (23591169).

Almost surely, 2315214532 is an apocalyptic number.

It is an amenable number.

315214532 is a deficient number, since it is larger than the sum of its proper divisors (250973524).

315214532 is a wasteful number, since it uses less digits than its factorization.

315214532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11047 (or 11045 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 315214532 is about 17754.2820750376. The cubic root of 315214532 is about 680.5636416734.

The spelling of 315214532 in words is "three hundred fifteen million, two hundred fourteen thousand, five hundred thirty-two".

Divisors: 1 2 4 53 106 137 212 274 548 7261 10853 14522 21706 29044 43412 575209 1150418 1486861 2300836 2973722 5947444 78803633 157607266 315214532