Base | Representation |
---|---|
bin | 1101011011010… |
… | …0110100000110 |
3 | 10220222002212000 |
4 | 3112310310012 |
5 | 103404041032 |
6 | 5331010130 |
7 | 1252446042 |
oct | 326646406 |
9 | 126862760 |
10 | 56315142 |
11 | 29874444 |
12 | 16a39946 |
13 | b889990 |
14 | 769d022 |
15 | 4e25e7c |
hex | 35b4d06 |
56315142 has 32 divisors (see below), whose sum is σ = 134772960. Its totient is φ = 17327520.
The previous prime is 56315131. The next prime is 56315143. The reversal of 56315142 is 24151365.
56315142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56315143) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 39409 + ... + 40812.
It is an arithmetic number, because the mean of its divisors is an integer number (4211655).
Almost surely, 256315142 is an apocalyptic number.
56315142 is an abundant number, since it is smaller than the sum of its proper divisors (78457818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56315142 is a wasteful number, since it uses less digits than its factorization.
56315142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80245 (or 80239 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 56315142 is about 7504.3415434001. The cubic root of 56315142 is about 383.3025670750.
The spelling of 56315142 in words is "fifty-six million, three hundred fifteen thousand, one hundred forty-two".
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