Base | Representation |
---|---|
bin | 10010101000110… |
… | …010000110111101 |
3 | 210210100211112211 |
4 | 102220302012331 |
5 | 1120021242033 |
6 | 51005500421 |
7 | 10514513050 |
oct | 2250620675 |
9 | 723324484 |
10 | 312680893 |
11 | 150555868 |
12 | 88871711 |
13 | 4ca1a9a5 |
14 | 2d754a97 |
15 | 1c6b62cd |
hex | 12a321bd |
312680893 has 8 divisors (see below), whose sum is σ = 362683712. Its totient is φ = 264011616.
The previous prime is 312680873. The next prime is 312680897. The reversal of 312680893 is 398086213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 312680893 - 217 = 312549821 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312680897) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332880 + ... + 333817.
It is an arithmetic number, because the mean of its divisors is an integer number (45335464).
Almost surely, 2312680893 is an apocalyptic number.
It is an amenable number.
312680893 is a deficient number, since it is larger than the sum of its proper divisors (50002819).
312680893 is an equidigital number, since it uses as much as digits as its factorization.
312680893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666771.
The product of its (nonzero) digits is 62208, while the sum is 40.
The square root of 312680893 is about 17682.7852161361. The cubic root of 312680893 is about 678.7353173309.
The spelling of 312680893 in words is "three hundred twelve million, six hundred eighty thousand, eight hundred ninety-three".
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