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313892089 = 7225312
BaseRepresentation
bin10010101101011…
…001110011111001
3210212122100222221
4102231121303321
51120324021324
651051444041
710531016200
oct2255316371
9725570887
10313892089
11151202855
1289156621
1350053084
142d98c237
151c8550e4
hex12b59cf9

313892089 has 9 divisors (see below), whose sum is σ = 365284101. Its totient is φ = 268944060.

The previous prime is 313892087. The next prime is 313892093. The reversal of 313892089 is 980298313.

It is a happy number.

The square root of 313892089 is 17717.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 313892089 - 21 = 313892087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313892087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 122754 + ... + 125284.

Almost surely, 2313892089 is an apocalyptic number.

313892089 is the 17717-th square number.

313892089 is the 8859-th centered octagonal number.

It is an amenable number.

313892089 is a deficient number, since it is larger than the sum of its proper divisors (51392012).

313892089 is an frugal number, since it uses more digits than its factorization.

313892089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076 (or 2538 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The cubic root of 313892089 is about 679.6105678186.

The spelling of 313892089 in words is "three hundred thirteen million, eight hundred ninety-two thousand, eighty-nine".

Divisors: 1 7 49 2531 17717 124019 6405961 44841727 313892089