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313705142 = 22323329269
BaseRepresentation
bin10010101100101…
…100001010110110
3210212021212112222
4102230230022312
51120302031032
651043442342
710526310152
oct2254541266
9725255488
10313705142
11151095353
12890863b2
134ccb8c5a
142d940062
151c819a12
hex12b2c2b6

313705142 has 16 divisors (see below), whose sum is σ = 493140960. Its totient is φ = 149383872.

The previous prime is 313705141. The next prime is 313705157. The reversal of 313705142 is 241507313.

It is a super-2 number, since 2×3137051422 = 196821832234480328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313705141) 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, 3917 + ... + 25352.

It is an arithmetic number, because the mean of its divisors is an integer number (30821310).

Almost surely, 2313705142 is an apocalyptic number.

313705142 is a deficient number, since it is larger than the sum of its proper divisors (179435818).

313705142 is a wasteful number, since it uses less digits than its factorization.

313705142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29527.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 313705142 is about 17711.7232927798. The cubic root of 313705142 is about 679.4756208176.

The spelling of 313705142 in words is "three hundred thirteen million, seven hundred five thousand, one hundred forty-two".

Divisors: 1 2 23 46 233 466 5359 10718 29269 58538 673187 1346374 6819677 13639354 156852571 313705142