Base | Representation |
---|---|
bin | 11110011010100… |
… | …10111011111000 |
3 | 122210002122022122 |
4 | 33031102323320 |
5 | 1010304044142 |
6 | 41152340412 |
7 | 6215454050 |
oct | 1715227370 |
9 | 583078278 |
10 | 255143672 |
11 | 121027243 |
12 | 71544708 |
13 | 40b239b4 |
14 | 25c58560 |
15 | 175ed1d2 |
hex | f352ef8 |
255143672 has 16 divisors (see below), whose sum is σ = 546736560. Its totient is φ = 109347264.
The previous prime is 255143657. The next prime is 255143699. The reversal of 255143672 is 276341552.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2278013 + ... + 2278124.
It is an arithmetic number, because the mean of its divisors is an integer number (34171035).
Almost surely, 2255143672 is an apocalyptic number.
It is an amenable number.
255143672 is an abundant number, since it is smaller than the sum of its proper divisors (291592888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255143672 is a wasteful number, since it uses less digits than its factorization.
255143672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4556150 (or 4556146 counting only the distinct ones).
The product of its digits is 50400, while the sum is 35.
The square root of 255143672 is about 15973.2173340251. The cubic root of 255143672 is about 634.2516424202.
The spelling of 255143672 in words is "two hundred fifty-five million, one hundred forty-three thousand, six hundred seventy-two".
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