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307931113 = 753830003
BaseRepresentation
bin10010010110101…
…010011111101001
3210110102112002001
4102112222133221
51112312243423
650320011001
710426241230
oct2226523751
9713375061
10307931113
11148901226
1287160a61
134ba46a79
142cc79b17
151c078cad
hex125aa7e9

307931113 has 8 divisors (see below), whose sum is σ = 358561728. Its totient is φ = 258960624.

The previous prime is 307931093. The next prime is 307931147. The reversal of 307931113 is 311139703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 307931113 - 217 = 307800041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (307931413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414631 + ... + 415372.

It is an arithmetic number, because the mean of its divisors is an integer number (44820216).

Almost surely, 2307931113 is an apocalyptic number.

It is an amenable number.

307931113 is a deficient number, since it is larger than the sum of its proper divisors (50630615).

307931113 is an equidigital number, since it uses as much as digits as its factorization.

307931113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830063.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 307931113 is about 17547.9660644760. The cubic root of 307931113 is about 675.2809899173.

The spelling of 307931113 in words is "three hundred seven million, nine hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 7 53 371 830003 5810021 43990159 307931113