Base | Representation |
---|---|
bin | 10010101001110… |
… | …101010011101110 |
3 | 210210212211010020 |
4 | 102221311103232 |
5 | 1120104044032 |
6 | 51015423010 |
7 | 10520040402 |
oct | 2251652356 |
9 | 723784106 |
10 | 312956142 |
11 | 150723644 |
12 | 88984a66 |
13 | 4cab6065 |
14 | 2d7c7102 |
15 | 1c71cb2c |
hex | 12a754ee |
312956142 has 8 divisors (see below), whose sum is σ = 625912296. Its totient is φ = 104318712.
The previous prime is 312956141. The next prime is 312956167. The reversal of 312956142 is 241659213.
312956142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
312956142 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312956141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26079673 + ... + 26079684.
It is an arithmetic number, because the mean of its divisors is an integer number (78239037).
Almost surely, 2312956142 is an apocalyptic number.
312956142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312956142 is a wasteful number, since it uses less digits than its factorization.
312956142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52159362.
The product of its digits is 12960, while the sum is 33.
The square root of 312956142 is about 17690.5664691666. The cubic root of 312956142 is about 678.9344195994.
The spelling of 312956142 in words is "three hundred twelve million, nine hundred fifty-six thousand, one hundred forty-two".
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