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312064133 = 370984137
BaseRepresentation
bin10010100110011…
…011100010000101
3210202012111111212
4102212123202011
51114342023013
650544341205
710506333653
oct2246334205
9722174455
10312064133
11150174447
1288614805
134c863044
142d633dd3
151c5e36a8
hex1299b885

312064133 has 4 divisors (see below), whose sum is σ = 312151980. Its totient is φ = 311976288.

The previous prime is 312064127. The next prime is 312064169. The reversal of 312064133 is 331460213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176411524 + 135652609 = 13282^2 + 11647^2 .

It is a cyclic number.

It is not a de Polignac number, because 312064133 - 24 = 312064117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312064099 and 312064108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312064433) 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 3 ways as a sum of consecutive naturals, for example, 38360 + ... + 45777.

It is an arithmetic number, because the mean of its divisors is an integer number (78037995).

Almost surely, 2312064133 is an apocalyptic number.

It is an amenable number.

312064133 is a deficient number, since it is larger than the sum of its proper divisors (87847).

312064133 is an equidigital number, since it uses as much as digits as its factorization.

312064133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87846.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 312064133 is about 17665.3370474497. The cubic root of 312064133 is about 678.2887573343.

The spelling of 312064133 in words is "three hundred twelve million, sixty-four thousand, one hundred thirty-three".

Divisors: 1 3709 84137 312064133