Base | Representation |
---|---|
bin | 10010100111111… |
… | …111110000000110 |
3 | 210202222100121110 |
4 | 102213333300012 |
5 | 1114443142010 |
6 | 51001225450 |
7 | 10512663516 |
oct | 2247776006 |
9 | 722870543 |
10 | 312474630 |
11 | 1504248a6 |
12 | 88792286 |
13 | 4c977b40 |
14 | 2d6dd846 |
15 | 1c675120 |
hex | 129ffc06 |
312474630 has 32 divisors (see below), whose sum is σ = 807627744. Its totient is φ = 76916736.
The previous prime is 312474629. The next prime is 312474647. The reversal of 312474630 is 36474213.
It is a super-3 number, since 3×3124746303 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400219 + ... + 400998.
It is an arithmetic number, because the mean of its divisors is an integer number (25238367).
Almost surely, 2312474630 is an apocalyptic number.
312474630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
312474630 is an abundant number, since it is smaller than the sum of its proper divisors (495153114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312474630 is a wasteful number, since it uses less digits than its factorization.
312474630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 801240.
The product of its (nonzero) digits is 12096, while the sum is 30.
The square root of 312474630 is about 17676.9519431377. The cubic root of 312474630 is about 678.5860397118.
The spelling of 312474630 in words is "three hundred twelve million, four hundred seventy-four thousand, six hundred thirty".
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