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314315261 = 13171422241
BaseRepresentation
bin10010101111000…
…001000111111101
3210220102212110222
4102233001013331
51120431042021
651104511125
710534431011
oct2257010775
9726385428
10314315261
11151471787
128931b4a5
1350170880
142da5c541
151c8da6ab
hex12bc11fd

314315261 has 8 divisors (see below), whose sum is σ = 358404984. Its totient is φ = 273070080.

The previous prime is 314315257. The next prime is 314315303. The reversal of 314315261 is 162513413.

It can be written as a sum of positive squares in 4 ways, for example, as 90364036 + 223951225 = 9506^2 + 14965^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 314315261 - 22 = 314315257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314315261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314305261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710900 + ... + 711341.

It is an arithmetic number, because the mean of its divisors is an integer number (44800623).

Almost surely, 2314315261 is an apocalyptic number.

It is an amenable number.

314315261 is a deficient number, since it is larger than the sum of its proper divisors (44089723).

314315261 is a wasteful number, since it uses less digits than its factorization.

314315261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422271.

The product of its digits is 2160, while the sum is 26.

The square root of 314315261 is about 17728.9385187044. The cubic root of 314315261 is about 679.9158351714.

Adding to 314315261 its reverse (162513413), we get a palindrome (476828674).

The spelling of 314315261 in words is "three hundred fourteen million, three hundred fifteen thousand, two hundred sixty-one".

Divisors: 1 13 17 221 1422241 18489133 24178097 314315261