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316347538 = 21312167213
BaseRepresentation
bin10010110110110…
…001010010010010
3211001021010020111
4102312301102102
51121441110123
651220231534
710560624013
oct2266612222
9731233214
10316347538
1115262a651
1289b3b5aa
13507028c0
143002b00a
151cb8c90d
hex12db1492

316347538 has 8 divisors (see below), whose sum is σ = 511022988. Its totient is φ = 146006544.

The previous prime is 316347503. The next prime is 316347541. The reversal of 316347538 is 835743613.

It can be written as a sum of positive squares in 2 ways, for example, as 292170649 + 24176889 = 17093^2 + 4917^2 .

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

It is a super-2 number, since 2×3163475382 = 200151529597322888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316347538.

It is an unprimeable number.

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, 6083581 + ... + 6083632.

Almost surely, 2316347538 is an apocalyptic number.

316347538 is a deficient number, since it is larger than the sum of its proper divisors (194675450).

316347538 is a wasteful number, since it uses less digits than its factorization.

316347538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12167228.

The product of its digits is 181440, while the sum is 40.

The square root of 316347538 is about 17786.1614183612. The cubic root of 316347538 is about 681.3780718394.

The spelling of 316347538 in words is "three hundred sixteen million, three hundred forty-seven thousand, five hundred thirty-eight".

Divisors: 1 2 13 26 12167213 24334426 158173769 316347538