Base | Representation |
---|---|
bin | 10010101011100… |
… | …000011111000110 |
3 | 210211201010022111 |
4 | 102223200133012 |
5 | 1120212121032 |
6 | 51033051234 |
7 | 10523546314 |
oct | 2253403706 |
9 | 724633274 |
10 | 313395142 |
11 | 1509a3455 |
12 | 88b56b1a |
13 | 4cc0ab18 |
14 | 2d89d0b4 |
15 | 1c7a7c47 |
hex | 12ae07c6 |
313395142 has 4 divisors (see below), whose sum is σ = 470092716. Its totient is φ = 156697570.
The previous prime is 313395109. The next prime is 313395149. The reversal of 313395142 is 241593313.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313395149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78348784 + ... + 78348787.
It is an arithmetic number, because the mean of its divisors is an integer number (117523179).
Almost surely, 2313395142 is an apocalyptic number.
313395142 is a deficient number, since it is larger than the sum of its proper divisors (156697574).
313395142 is a wasteful number, since it uses less digits than its factorization.
313395142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156697573.
The product of its digits is 9720, while the sum is 31.
The square root of 313395142 is about 17702.9698638392. The cubic root of 313395142 is about 679.2517302533.
It can be divided in two parts, 31339 and 5142, that added together give a square (36481 = 1912).
The spelling of 313395142 in words is "three hundred thirteen million, three hundred ninety-five thousand, one hundred forty-two".
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