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316630432 = 259894701
BaseRepresentation
bin10010110111110…
…110010110100000
3211001210111022001
4102313312112200
51122024133212
651230253344
710563212536
oct2267662640
9731714261
10316630432
11152803148
128a057254
13507a15b1
14300a2156
151cbe6657
hex12df65a0

316630432 has 12 divisors (see below), whose sum is σ = 623366226. Its totient is φ = 158315200.

The previous prime is 316630429. The next prime is 316630451. The reversal of 316630432 is 234036613.

It can be written as a sum of positive squares in only one way, i.e., 315275536 + 1354896 = 17756^2 + 1164^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 316630432.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4947319 + ... + 4947382.

Almost surely, 2316630432 is an apocalyptic number.

316630432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

316630432 is a deficient number, since it is larger than the sum of its proper divisors (306735794).

316630432 is an equidigital number, since it uses as much as digits as its factorization.

316630432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9894711 (or 9894703 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 316630432 is about 17794.1122846856. The cubic root of 316630432 is about 681.5811189271.

The spelling of 316630432 in words is "three hundred sixteen million, six hundred thirty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 9894701 19789402 39578804 79157608 158315216 316630432