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316964420 = 22515848221
BaseRepresentation
bin10010111001000…
…111111001000100
3211002102110102222
4102321013321010
51122120330140
651241351512
710566103343
oct2271077104
9732373388
10316964420
11152a11073
128a198598
135088a616
143014bb5a
151cc605b5
hex12e47e44

316964420 has 12 divisors (see below), whose sum is σ = 665625324. Its totient is φ = 126785760.

The previous prime is 316964419. The next prime is 316964443. The reversal of 316964420 is 24469613.

It can be written as a sum of positive squares in 2 ways, for example, as 182358016 + 134606404 = 13504^2 + 11602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7924091 + ... + 7924130.

It is an arithmetic number, because the mean of its divisors is an integer number (55468777).

Almost surely, 2316964420 is an apocalyptic number.

It is an amenable number.

316964420 is an abundant number, since it is smaller than the sum of its proper divisors (348660904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316964420 is a wasteful number, since it uses less digits than its factorization.

316964420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15848230 (or 15848228 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 316964420 is about 17803.4946007799. The cubic root of 316964420 is about 681.8206830992.

The spelling of 316964420 in words is "three hundred sixteen million, nine hundred sixty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 15848221 31696442 63392884 79241105 158482210 316964420