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316912641 = 3105637547
BaseRepresentation
bin10010111000111…
…011010000000001
3211002022211102020
4102320323100001
51122112201031
651240312053
710565466363
oct2270732001
9732284366
10316912641
11152986181
128a172629
135086cb96
1430136d33
151cc50096
hex12e3b401

316912641 has 4 divisors (see below), whose sum is σ = 422550192. Its totient is φ = 211275092.

The previous prime is 316912619. The next prime is 316912669. The reversal of 316912641 is 146219613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 316912641 - 29 = 316912129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316912741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52818771 + ... + 52818776.

It is an arithmetic number, because the mean of its divisors is an integer number (105637548).

Almost surely, 2316912641 is an apocalyptic number.

It is an amenable number.

316912641 is a deficient number, since it is larger than the sum of its proper divisors (105637551).

316912641 is a wasteful number, since it uses less digits than its factorization.

316912641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105637550.

The product of its digits is 7776, while the sum is 33.

The square root of 316912641 is about 17802.0403605879. The cubic root of 316912641 is about 681.7835538890.

The spelling of 316912641 in words is "three hundred sixteen million, nine hundred twelve thousand, six hundred forty-one".

Divisors: 1 3 105637547 316912641