Base | Representation |
---|---|
bin | 10010101010011… |
… | …110000011011000 |
3 | 210211012022001100 |
4 | 102222132003120 |
5 | 1120124414112 |
6 | 51023151400 |
7 | 10521334065 |
oct | 2252360330 |
9 | 724168040 |
10 | 313123032 |
11 | 150827a72 |
12 | 88a45560 |
13 | 4cb44001 |
14 | 2d82bc6c |
15 | 1c7522dc |
hex | 12a9e0d8 |
313123032 has 48 divisors (see below), whose sum is σ = 850042440. Its totient is φ = 104128128.
The previous prime is 313123003. The next prime is 313123043. The reversal of 313123032 is 230321313.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 313122996 and 313123014.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26988 + ... + 36804.
Almost surely, 2313123032 is an apocalyptic number.
It is an amenable number.
313123032 is an abundant number, since it is smaller than the sum of its proper divisors (536919408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313123032 is a wasteful number, since it uses less digits than its factorization.
313123032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10272 (or 10265 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 313123032 is about 17695.2827612333. The cubic root of 313123032 is about 679.0550831844.
Adding to 313123032 its reverse (230321313), we get a palindrome (543444345).
The spelling of 313123032 in words is "three hundred thirteen million, one hundred twenty-three thousand, thirty-two".
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