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316136247 = 3715054107
BaseRepresentation
bin10010110101111…
…101101100110111
3211000212101101220
4102311331230313
51121412324442
651211521423
710556054010
oct2265755467
9730771356
10316136247
111524a5929
1289a59273
135065a68b
142ddb4007
151cb49eec
hex12d7db37

316136247 has 8 divisors (see below), whose sum is σ = 481731456. Its totient is φ = 180649272.

The previous prime is 316136239. The next prime is 316136263. The reversal of 316136247 is 742631613.

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

It is not a de Polignac number, because 316136247 - 23 = 316136239 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316136287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7527033 + ... + 7527074.

It is an arithmetic number, because the mean of its divisors is an integer number (60216432).

Almost surely, 2316136247 is an apocalyptic number.

316136247 is a deficient number, since it is larger than the sum of its proper divisors (165595209).

316136247 is a wasteful number, since it uses less digits than its factorization.

316136247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15054117.

The product of its digits is 18144, while the sum is 33.

The square root of 316136247 is about 17780.2206679220. The cubic root of 316136247 is about 681.2263388017.

The spelling of 316136247 in words is "three hundred sixteen million, one hundred thirty-six thousand, two hundred forty-seven".

Divisors: 1 3 7 21 15054107 45162321 105378749 316136247