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312079076 = 2278019769
BaseRepresentation
bin10010100110011…
…111001011100100
3210202020021000022
4102212133023210
51114343012301
650544534312
710506425351
oct2246371344
9722207008
10312079076
111501846a1
1288621398
134c869a9a
142d639628
151c5e7d1b
hex1299f2e4

312079076 has 6 divisors (see below), whose sum is σ = 546138390. Its totient is φ = 156039536.

The previous prime is 312079069. The next prime is 312079147. The reversal of 312079076 is 670970213.

It can be written as a sum of positive squares in only one way, i.e., 196000000 + 116079076 = 14000^2 + 10774^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39009881 + ... + 39009888.

It is an arithmetic number, because the mean of its divisors is an integer number (91023065).

Almost surely, 2312079076 is an apocalyptic number.

It is an amenable number.

312079076 is a deficient number, since it is larger than the sum of its proper divisors (234059314).

312079076 is a wasteful number, since it uses less digits than its factorization.

312079076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78019773 (or 78019771 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 312079076 is about 17665.7599893127. The cubic root of 312079076 is about 678.2995836422.

The spelling of 312079076 in words is "three hundred twelve million, seventy-nine thousand, seventy-six".

Divisors: 1 2 4 78019769 156039538 312079076