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313975469 is a prime number
BaseRepresentation
bin10010101101101…
…110001010101101
3210212210121101002
4102231232022231
51120334203334
651053330045
710531514243
oct2255561255
9725717332
10313975469
1115125a465
1289196925
1350082002
142d9b0793
151c86eb7e
hex12b6e2ad

313975469 has 2 divisors, whose sum is σ = 313975470. Its totient is φ = 313975468.

The previous prime is 313975457. The next prime is 313975477. The reversal of 313975469 is 964579313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244453225 + 69522244 = 15635^2 + 8338^2 .

It is a cyclic number.

It is not a de Polignac number, because 313975469 - 212 = 313971373 is a prime.

It is a super-2 number, since 2×3139754692 = 197161190267539922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313975439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156987734 + 156987735.

It is an arithmetic number, because the mean of its divisors is an integer number (156987735).

Almost surely, 2313975469 is an apocalyptic number.

It is an amenable number.

313975469 is a deficient number, since it is larger than the sum of its proper divisors (1).

313975469 is an equidigital number, since it uses as much as digits as its factorization.

313975469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 47.

The square root of 313975469 is about 17719.3529509404. The cubic root of 313975469 is about 679.6707380856.

The spelling of 313975469 in words is "three hundred thirteen million, nine hundred seventy-five thousand, four hundred sixty-nine".