Base | Representation |
---|---|
bin | 10010101011111… |
… | …101010100011010 |
3 | 210211221010022120 |
4 | 102223331110122 |
5 | 1120224410432 |
6 | 51035402110 |
7 | 10524550530 |
oct | 2253752432 |
9 | 724833276 |
10 | 313513242 |
11 | 150a74159 |
12 | 88bb3336 |
13 | 4cc4c7c3 |
14 | 2d8d0150 |
15 | 1c7ccc2c |
hex | 12afd51a |
313513242 has 32 divisors (see below), whose sum is σ = 717316992. Its totient is φ = 89485824.
The previous prime is 313513241. The next prime is 313513267. The reversal of 313513242 is 242315313.
It is not an unprimeable number, because it can be changed into a prime (313513241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46978 + ... + 53234.
It is an arithmetic number, because the mean of its divisors is an integer number (22416156).
Almost surely, 2313513242 is an apocalyptic number.
313513242 is an abundant number, since it is smaller than the sum of its proper divisors (403803750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313513242 is a wasteful number, since it uses less digits than its factorization.
313513242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7462.
The product of its digits is 2160, while the sum is 24.
The square root of 313513242 is about 17706.3051481669. The cubic root of 313513242 is about 679.3370427380.
Adding to 313513242 its reverse (242315313), we get a palindrome (555828555).
The spelling of 313513242 in words is "three hundred thirteen million, five hundred thirteen thousand, two hundred forty-two".
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