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316706945 = 589711701
BaseRepresentation
bin10010111000001…
…001000010000001
3211001221101020212
4102320021002001
51122034110240
651232043505
710563651602
oct2270110201
9731841225
10316706945
11152855685
128a093595
13507ca379
14300c1da9
151cc0e165
hex12e09081

316706945 has 8 divisors (see below), whose sum is σ = 384319080. Its totient is φ = 250518400.

The previous prime is 316706927. The next prime is 316706963. The reversal of 316706945 is 549607613.

It is an interprime number because it is at equal distance from previous prime (316706927) and next prime (316706963).

It can be written as a sum of positive squares in 4 ways, for example, as 41113744 + 275593201 = 6412^2 + 16601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 316706945 - 218 = 316444801 is a prime.

It is a super-2 number, since 2×3167069452 = 200606578022466050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355406 + ... + 356295.

It is an arithmetic number, because the mean of its divisors is an integer number (48039885).

Almost surely, 2316706945 is an apocalyptic number.

It is an amenable number.

316706945 is a deficient number, since it is larger than the sum of its proper divisors (67612135).

316706945 is an equidigital number, since it uses as much as digits as its factorization.

316706945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711795.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 316706945 is about 17796.2621075326. The cubic root of 316706945 is about 681.6360153309.

The spelling of 316706945 in words is "three hundred sixteen million, seven hundred six thousand, nine hundred forty-five".

Divisors: 1 5 89 445 711701 3558505 63341389 316706945