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315243052 = 22433182011
BaseRepresentation
bin10010110010100…
…011101000101100
3210222012000011121
4102302203220230
51121200234202
651140430324
710545343645
oct2262435054
9728160147
10315243052
11151a45853
12896a83a4
1350406c67
142dc206cc
151ca20537
hex12ca3a2c

315243052 has 12 divisors (see below), whose sum is σ = 552952456. Its totient is φ = 157256640.

The previous prime is 315243043. The next prime is 315243133. The reversal of 315243052 is 250342513.

315243052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 89274 + ... + 92737.

Almost surely, 2315243052 is an apocalyptic number.

It is an amenable number.

315243052 is a deficient number, since it is larger than the sum of its proper divisors (237709404).

315243052 is a wasteful number, since it uses less digits than its factorization.

315243052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182448 (or 182446 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 315243052 is about 17755.0852433887. The cubic root of 315243052 is about 680.5841664142.

Adding to 315243052 its reverse (250342513), we get a palindrome (565585565).

The spelling of 315243052 in words is "three hundred fifteen million, two hundred forty-three thousand, fifty-two".

Divisors: 1 2 4 433 866 1732 182011 364022 728044 78810763 157621526 315243052