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312150153 = 37105114143
BaseRepresentation
bin10010100110110…
…000100010001001
3210202100212111210
4102212300202021
51114402301103
650550243333
710510142520
oct2246604211
9722325453
10312150153
11150223037
1288656549
134c893243
142d6574b7
151c60de03
hex129b0889

312150153 has 16 divisors (see below), whose sum is σ = 476143616. Its totient is φ = 178189200.

The previous prime is 312150149. The next prime is 312150161. The reversal of 312150153 is 351051213.

It is not a de Polignac number, because 312150153 - 22 = 312150149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312150143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15000 + ... + 29142.

It is an arithmetic number, because the mean of its divisors is an integer number (29758976).

Almost surely, 2312150153 is an apocalyptic number.

It is an amenable number.

312150153 is a deficient number, since it is larger than the sum of its proper divisors (163993463).

312150153 is a wasteful number, since it uses less digits than its factorization.

312150153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15204.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 312150153 is about 17667.7715912336. The cubic root of 312150153 is about 678.3510746942.

The spelling of 312150153 in words is "three hundred twelve million, one hundred fifty thousand, one hundred fifty-three".

Divisors: 1 3 7 21 1051 3153 7357 14143 22071 42429 99001 297003 14864293 44592879 104050051 312150153