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315154132 = 22409192637
BaseRepresentation
bin10010110010001…
…101111011010100
3210222000111012021
4102302031323110
51121134413012
651134502524
710544523466
oct2262157324
9728014167
10315154132
11151994a67
1289664a44
13503a5647
142dbda136
151ca04007
hex12c8ded4

315154132 has 12 divisors (see below), whose sum is σ = 552871060. Its totient is φ = 157190976.

The previous prime is 315154127. The next prime is 315154157. The reversal of 315154132 is 231451513.

It is a happy number.

315154132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 240746256 + 74407876 = 15516^2 + 8626^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315154097 and 315154106.

It is a congruent number.

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, 94683 + ... + 97954.

Almost surely, 2315154132 is an apocalyptic number.

It is an amenable number.

315154132 is a deficient number, since it is larger than the sum of its proper divisors (237716928).

315154132 is a wasteful number, since it uses less digits than its factorization.

315154132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193050 (or 193048 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 315154132 is about 17752.5809954496. The cubic root of 315154132 is about 680.5201700421.

The spelling of 315154132 in words is "three hundred fifteen million, one hundred fifty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 409 818 1636 192637 385274 770548 78788533 157577066 315154132