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315064517 = 19137121039
BaseRepresentation
bin10010110001111…
…000000011000101
3210221211221021012
4102301320003011
51121124031032
651132532005
710544001305
oct2261700305
9727757235
10315064517
111519336a9
1289621005
1350373911
142dbb5605
151c9d76b2
hex12c780c5

315064517 has 8 divisors (see below), whose sum is σ = 334070400. Its totient is φ = 296301024.

The previous prime is 315064499. The next prime is 315064531. The reversal of 315064517 is 715460513.

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 315064517 - 28 = 315064261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315064577) 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, 57917 + ... + 63122.

It is an arithmetic number, because the mean of its divisors is an integer number (41758800).

Almost surely, 2315064517 is an apocalyptic number.

It is an amenable number.

315064517 is a deficient number, since it is larger than the sum of its proper divisors (19005883).

315064517 is a wasteful number, since it uses less digits than its factorization.

315064517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121195.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 315064517 is about 17750.0568168105. The cubic root of 315064517 is about 680.4556612932.

The spelling of 315064517 in words is "three hundred fifteen million, sixty-four thousand, five hundred seventeen".

Divisors: 1 19 137 2603 121039 2299741 16582343 315064517