Base | Representation |
---|---|
bin | 10010100110100… |
… | …000001001001100 |
3 | 210202020110102101 |
4 | 102212200021030 |
5 | 1114343124040 |
6 | 50545004444 |
7 | 10506443014 |
oct | 2246401114 |
9 | 722213371 |
10 | 312083020 |
11 | 150187657 |
12 | 88623724 |
13 | 4c86b812 |
14 | 2d63ac44 |
15 | 1c5e909a |
hex | 129a024c |
312083020 has 12 divisors (see below), whose sum is σ = 655374384. Its totient is φ = 124833200.
The previous prime is 312083017. The next prime is 312083041. The reversal of 312083020 is 20380213.
It is a happy number.
It is a super-2 number, since 2×3120830202 = 194791622744640800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7802056 + ... + 7802095.
It is an arithmetic number, because the mean of its divisors is an integer number (54614532).
Almost surely, 2312083020 is an apocalyptic number.
It is an amenable number.
312083020 is an abundant number, since it is smaller than the sum of its proper divisors (343291364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312083020 is a wasteful number, since it uses less digits than its factorization.
312083020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15604160 (or 15604158 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 312083020 is about 17665.8716173304. The cubic root of 312083020 is about 678.3024410401.
The spelling of 312083020 in words is "three hundred twelve million, eighty-three thousand, twenty".
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