Search a number
-
+
316696945 = 563339389
BaseRepresentation
bin10010111000000…
…110100101110001
3211001220212112111
4102320012211301
51122033300240
651231525321
710563610465
oct2270064561
9731825474
10316696945
11152849114
128a089841
13507c5956
14300bc4a5
151cc0b1ea
hex12e06971

316696945 has 4 divisors (see below), whose sum is σ = 380036340. Its totient is φ = 253357552.

The previous prime is 316696943. The next prime is 316696957. The reversal of 316696945 is 549696613.

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

It can be written as a sum of positive squares in 2 ways, for example, as 150209536 + 166487409 = 12256^2 + 12903^2 .

It is a cyclic number.

It is not a de Polignac number, because 316696945 - 21 = 316696943 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (316696943) 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 3 ways as a sum of consecutive naturals, for example, 31669690 + ... + 31669699.

It is an arithmetic number, because the mean of its divisors is an integer number (95009085).

Almost surely, 2316696945 is an apocalyptic number.

It is an amenable number.

316696945 is a deficient number, since it is larger than the sum of its proper divisors (63339395).

316696945 is an equidigital number, since it uses as much as digits as its factorization.

316696945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63339394.

The product of its digits is 1049760, while the sum is 49.

The square root of 316696945 is about 17795.9811474389. The cubic root of 316696945 is about 681.6288410519.

The spelling of 316696945 in words is "three hundred sixteen million, six hundred ninety-six thousand, nine hundred forty-five".

Divisors: 1 5 63339389 316696945