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315340817 = 11208913723
BaseRepresentation
bin10010110010111…
…011100000010001
3210222100222021112
4102302323200101
51121211401232
651142503105
710546231661
oct2262734021
9728328245
10315340817
11152002250
1289734a95
135043c5cc
142dc481a1
151ca3e4b2
hex12cbb811

315340817 has 8 divisors (see below), whose sum is σ = 344197920. Its totient is φ = 286515360.

The previous prime is 315340807. The next prime is 315340819. The reversal of 315340817 is 718043513.

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 315340817 - 28 = 315340561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315340819) 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 7 ways as a sum of consecutive naturals, for example, 16118 + ... + 29840.

It is an arithmetic number, because the mean of its divisors is an integer number (43024740).

Almost surely, 2315340817 is an apocalyptic number.

It is an amenable number.

315340817 is a deficient number, since it is larger than the sum of its proper divisors (28857103).

315340817 is a wasteful number, since it uses less digits than its factorization.

315340817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15823.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 315340817 is about 17757.8381848692. The cubic root of 315340817 is about 680.6545147095.

The spelling of 315340817 in words is "three hundred fifteen million, three hundred forty thousand, eight hundred seventeen".

Divisors: 1 11 2089 13723 22979 150953 28667347 315340817