Search a number
-
+
316612641 = 31723318707
BaseRepresentation
bin10010110111110…
…010000000100001
3211001202120220010
4102313302000201
51122023101031
651230035133
710563106632
oct2267620041
9731676803
10316612641
111527a0844
128a048aa9
1350796477
1430099889
151cbe1246
hex12df2021

316612641 has 32 divisors (see below), whose sum is σ = 481517568. Its totient is φ = 183870720.

The previous prime is 316612601. The next prime is 316612649. The reversal of 316612641 is 146216613.

It is not a de Polignac number, because 316612641 - 218 = 316350497 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 316612599 and 316612608.

It is not an unprimeable number, because it can be changed into a prime (316612649) 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, 32010 + ... + 40716.

It is an arithmetic number, because the mean of its divisors is an integer number (15047424).

Almost surely, 2316612641 is an apocalyptic number.

316612641 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

316612641 is a deficient number, since it is larger than the sum of its proper divisors (164904927).

316612641 is a wasteful number, since it uses less digits than its factorization.

316612641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8781.

The product of its digits is 5184, while the sum is 30.

The square root of 316612641 is about 17793.6123651157. The cubic root of 316612641 is about 681.5683530066.

The spelling of 316612641 in words is "three hundred sixteen million, six hundred twelve thousand, six hundred forty-one".

Divisors: 1 3 17 23 31 51 69 93 391 527 713 1173 1581 2139 8707 12121 26121 36363 148019 200261 269917 444057 600783 809751 3404437 4588589 6208091 10213311 13765767 18624273 105537547 316612641