Search a number
-
+
315112965 = 3521007531
BaseRepresentation
bin10010110010000…
…011111000000101
3210221221101201120
4102302003320011
51121132103330
651133544153
710544262456
oct2262037005
9727841646
10315112965
11151967042
1289645059
135038c99b
142dbc912d
151c9e6c10
hex12c83e05

315112965 has 8 divisors (see below), whose sum is σ = 504180768. Its totient is φ = 168060240.

The previous prime is 315112961. The next prime is 315112997. The reversal of 315112965 is 569211513.

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

It is not a de Polignac number, because 315112965 - 22 = 315112961 is a prime.

It is a super-2 number, since 2×3151129652 = 198592361422182450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315112961) 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, 10503751 + ... + 10503780.

It is an arithmetic number, because the mean of its divisors is an integer number (63022596).

Almost surely, 2315112965 is an apocalyptic number.

It is an amenable number.

315112965 is a deficient number, since it is larger than the sum of its proper divisors (189067803).

315112965 is a wasteful number, since it uses less digits than its factorization.

315112965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21007539.

The product of its digits is 8100, while the sum is 33.

The square root of 315112965 is about 17751.4214923763. The cubic root of 315112965 is about 680.4905377756.

The spelling of 315112965 in words is "three hundred fifteen million, one hundred twelve thousand, nine hundred sixty-five".

Divisors: 1 3 5 15 21007531 63022593 105037655 315112965