Search a number
-
+
315052315 = 563010463
BaseRepresentation
bin10010110001110…
…101000100011011
3210221211022112021
4102301311010123
51121123133230
651132355311
710543620604
oct2261650433
9727738467
10315052315
11151925516
1289615b37
135036b1b6
142dbb0dab
151c9d3c7a
hex12c7511b

315052315 has 4 divisors (see below), whose sum is σ = 378062784. Its totient is φ = 252041848.

The previous prime is 315052261. The next prime is 315052333. The reversal of 315052315 is 513250513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-315052315 is a prime.

It is a super-2 number, since 2×3150523152 = 198515922373718450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315052315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31505227 + ... + 31505236.

It is an arithmetic number, because the mean of its divisors is an integer number (94515696).

Almost surely, 2315052315 is an apocalyptic number.

315052315 is a deficient number, since it is larger than the sum of its proper divisors (63010469).

315052315 is an equidigital number, since it uses as much as digits as its factorization.

315052315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63010468.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 315052315 is about 17749.7130962729. The cubic root of 315052315 is about 680.4468768202.

The spelling of 315052315 in words is "three hundred fifteen million, fifty-two thousand, three hundred fifteen".

Divisors: 1 5 63010463 315052315