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312316272 = 24322168863
BaseRepresentation
bin10010100111011…
…001000101110000
3210202200022101100
4102213121011300
51114423110042
650554004400
710511434032
oct2247310560
9722608340
10312316272
11150326924
1288716700
134c920a38
142d69bc52
151c64324c
hex129d9170

312316272 has 30 divisors (see below), whose sum is σ = 874052192. Its totient is φ = 104105376.

The previous prime is 312316271. The next prime is 312316273. The reversal of 312316272 is 272613213.

312316272 is a `hidden beast` number, since 3 + 1 + 2 + 31 + 627 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (312316271) and next prime (312316273).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312316271) 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 5 ways as a sum of consecutive naturals, for example, 1084288 + ... + 1084575.

Almost surely, 2312316272 is an apocalyptic number.

It is an amenable number.

312316272 is an abundant number, since it is smaller than the sum of its proper divisors (561735920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312316272 is a wasteful number, since it uses less digits than its factorization.

312316272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168877 (or 2168868 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 312316272 is about 17672.4721530407. The cubic root of 312316272 is about 678.4713875386.

Adding to 312316272 its reverse (272613213), we get a palindrome (584929485).

The spelling of 312316272 in words is "three hundred twelve million, three hundred sixteen thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 2168863 4337726 6506589 8675452 13013178 17350904 19519767 26026356 34701808 39039534 52052712 78079068 104105424 156158136 312316272