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316016645 = 57192232131
BaseRepresentation
bin10010110101100…
…000100000000101
3211000122022100012
4102311200200011
51121400013040
651205200005
710555045220
oct2265404005
9730568305
10316016645
11152423a8a
1289a00005
13506180c9
142dd825b7
151cb24865
hex12d60805

316016645 has 32 divisors (see below), whose sum is σ = 458465280. Its totient is φ = 204275520.

The previous prime is 316016641. The next prime is 316016647. The reversal of 316016645 is 546610613.

It is not a de Polignac number, because 316016645 - 22 = 316016641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316016641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147230 + ... + 149360.

It is an arithmetic number, because the mean of its divisors is an integer number (14327040).

Almost surely, 2316016645 is an apocalyptic number.

316016645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

316016645 is a deficient number, since it is larger than the sum of its proper divisors (142448635).

316016645 is a wasteful number, since it uses less digits than its factorization.

316016645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 316016645 is about 17776.8570056689. The cubic root of 316016645 is about 681.1404198239.

The spelling of 316016645 in words is "three hundred sixteen million, sixteen thousand, six hundred forty-five".

Divisors: 1 5 7 19 35 95 133 223 665 1115 1561 2131 4237 7805 10655 14917 21185 29659 40489 74585 148295 202445 283423 475213 1417115 2376065 3326491 9029047 16632455 45145235 63203329 316016645