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316997025 = 3527357899
BaseRepresentation
bin10010111001001…
…111110110100001
3211002111010011120
4102321033312201
51122122401100
651242202453
710566300402
oct2271176641
9732433146
10316997025
11152a33614
128a1b3429
135089c407
14301599a9
151cc6a0a0
hex12e4fda1

316997025 has 24 divisors (see below), whose sum is σ = 531290400. Its totient is φ = 166746240.

The previous prime is 316996997. The next prime is 316997047. The reversal of 316997025 is 520799613.

It is a de Polignac number, because none of the positive numbers 2k-316997025 is a prime.

It is a super-2 number, since 2×3169970252 = 200974227717701250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23475 + ... + 34424.

It is an arithmetic number, because the mean of its divisors is an integer number (22137100).

Almost surely, 2316997025 is an apocalyptic number.

It is an amenable number.

316997025 is a deficient number, since it is larger than the sum of its proper divisors (214293375).

316997025 is a wasteful number, since it uses less digits than its factorization.

316997025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57985 (or 57980 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 316997025 is about 17804.4102682453. The cubic root of 316997025 is about 681.8440611187.

The spelling of 316997025 in words is "three hundred sixteen million, nine hundred ninety-seven thousand, twenty-five".

Divisors: 1 3 5 15 25 73 75 219 365 1095 1825 5475 57899 173697 289495 868485 1447475 4226627 4342425 12679881 21133135 63399405 105665675 316997025