Base | Representation |
---|---|
bin | 10010101010011… |
… | …110001010010000 |
3 | 210211012022122122 |
4 | 102222132022100 |
5 | 1120124422342 |
6 | 51023153412 |
7 | 10521335264 |
oct | 2252361220 |
9 | 724168578 |
10 | 313123472 |
11 | 150828332 |
12 | 88a45868 |
13 | 4cb4427c |
14 | 2d82c0a4 |
15 | 1c7524d2 |
hex | 12a9e290 |
313123472 has 20 divisors (see below), whose sum is σ = 633054720. Its totient is φ = 149754528.
The previous prime is 313123471. The next prime is 313123487. The reversal of 313123472 is 274321313.
It is not an unprimeable number, because it can be changed into a prime (313123471) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425072 + ... + 425807.
It is an arithmetic number, because the mean of its divisors is an integer number (31652736).
Almost surely, 2313123472 is an apocalyptic number.
It is an amenable number.
313123472 is an abundant number, since it is smaller than the sum of its proper divisors (319931248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313123472 is a wasteful number, since it uses less digits than its factorization.
313123472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 850910 (or 850904 counting only the distinct ones).
The product of its digits is 3024, while the sum is 26.
The square root of 313123472 is about 17695.2951939209. The cubic root of 313123472 is about 679.0554012533.
Adding to 313123472 its reverse (274321313), we get a palindrome (587444785).
The spelling of 313123472 in words is "three hundred thirteen million, one hundred twenty-three thousand, four hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.108 sec. • engine limits •