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313252145 = 51915432137
BaseRepresentation
bin10010101010111…
…101100100110001
3210211102212011022
4102222331210301
51120143032040
651030025225
710522412363
oct2252754461
9724385138
10313252145
11150905a78
1288aa8215
134cb8a9cb
142d862d33
151c77a6b5
hex12abd931

313252145 has 16 divisors (see below), whose sum is σ = 396128640. Its totient is φ = 237147264.

The previous prime is 313252129. The next prime is 313252169. The reversal of 313252145 is 541252313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 313252145 - 24 = 313252129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145517 + ... + 147653.

It is an arithmetic number, because the mean of its divisors is an integer number (24758040).

Almost surely, 2313252145 is an apocalyptic number.

It is an amenable number.

313252145 is a deficient number, since it is larger than the sum of its proper divisors (82876495).

313252145 is a wasteful number, since it uses less digits than its factorization.

313252145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704.

The product of its digits is 3600, while the sum is 26.

The square root of 313252145 is about 17698.9306174130. The cubic root of 313252145 is about 679.1484041074.

The spelling of 313252145 in words is "three hundred thirteen million, two hundred fifty-two thousand, one hundred forty-five".

Divisors: 1 5 19 95 1543 2137 7715 10685 29317 40603 146585 203015 3297391 16486955 62650429 313252145