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313126056 = 23324348973
BaseRepresentation
bin10010101010011…
…110110010101000
3210211012110012100
4102222132302220
51120130013211
651023213400
710521345645
oct2252366250
9724173170
10313126056
1115082a271
1288a47260
134cb454b9
142d82cdcc
151c753156
hex12a9eca8

313126056 has 24 divisors (see below), whose sum is σ = 848049930. Its totient is φ = 104375328.

The previous prime is 313126031. The next prime is 313126069. The reversal of 313126056 is 650621313.

It can be written as a sum of positive squares in only one way, i.e., 283248900 + 29877156 = 16830^2 + 5466^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×3131260562 = 196095853892230272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2174415 + ... + 2174558.

Almost surely, 2313126056 is an apocalyptic number.

313126056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

313126056 is an abundant number, since it is smaller than the sum of its proper divisors (534923874).

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

313126056 is a wasteful number, since it uses less digits than its factorization.

313126056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348985 (or 4348978 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 313126056 is about 17695.3682075282. The cubic root of 313126056 is about 679.0572691792.

Adding to 313126056 its reverse (650621313), we get a palindrome (963747369).

The spelling of 313126056 in words is "three hundred thirteen million, one hundred twenty-six thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 4348973 8697946 13046919 17395892 26093838 34791784 39140757 52187676 78281514 104375352 156563028 313126056