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315118797 = 37131114547
BaseRepresentation
bin10010110010000…
…101010011001101
3210221221200201120
4102302011103031
51121132300142
651134031153
710544315460
oct2262052315
9727850646
10315118797
11151970464
12896484b9
1350392536
142dbcb2d7
151c9e87ec
hex12c854cd

315118797 has 16 divisors (see below), whose sum is σ = 483850752. Its totient is φ = 178691760.

The previous prime is 315118789. The next prime is 315118807. The reversal of 315118797 is 797811513.

It is a happy number.

It is not a de Polignac number, because 315118797 - 23 = 315118789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315118757) 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 15 ways as a sum of consecutive naturals, for example, 54523 + ... + 60024.

It is an arithmetic number, because the mean of its divisors is an integer number (30240672).

Almost surely, 2315118797 is an apocalyptic number.

It is an amenable number.

315118797 is a deficient number, since it is larger than the sum of its proper divisors (168731955).

315118797 is a wasteful number, since it uses less digits than its factorization.

315118797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114688.

The product of its digits is 52920, while the sum is 42.

The square root of 315118797 is about 17751.5857601511. The cubic root of 315118797 is about 680.4947358429.

The spelling of 315118797 in words is "three hundred fifteen million, one hundred eighteen thousand, seven hundred ninety-seven".

Divisors: 1 3 7 21 131 393 917 2751 114547 343641 801829 2405487 15005657 45016971 105039599 315118797