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313912208 = 24177731493
BaseRepresentation
bin10010101101011…
…110101110010000
3210212200101121002
4102231132232100
51120330142313
651052121132
710531131641
oct2255365620
9725611532
10313912208
11151216985
12891661a8
135005c28c
142d9956c8
151c85b058
hex12b5eb90

313912208 has 40 divisors (see below), whose sum is σ = 645246648. Its totient is φ = 147433472.

The previous prime is 313912199. The next prime is 313912217. The reversal of 313912208 is 802219313.

313912208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (313912199) and next prime (313912217).

It can be written as a sum of positive squares in 4 ways, for example, as 68425984 + 245486224 = 8272^2 + 15668^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209510 + ... + 211002.

Almost surely, 2313912208 is an apocalyptic number.

It is an amenable number.

313912208 is an abundant number, since it is smaller than the sum of its proper divisors (331334440).

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

313912208 is a wasteful number, since it uses less digits than its factorization.

313912208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2285 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 313912208 is about 17717.5677789024. The cubic root of 313912208 is about 679.6250874506.

The spelling of 313912208 in words is "three hundred thirteen million, nine hundred twelve thousand, two hundred eight".

Divisors: 1 2 4 8 16 17 34 68 136 272 773 1493 1546 2986 3092 5972 6184 11944 12368 13141 23888 25381 26282 50762 52564 101524 105128 203048 210256 406096 1154089 2308178 4616356 9232712 18465424 19619513 39239026 78478052 156956104 313912208