Base | Representation |
---|---|
bin | 11110100000100… |
… | …10111010110111 |
3 | 122211120121000100 |
4 | 33100102322313 |
5 | 1011004230124 |
6 | 41221245143 |
7 | 6225240501 |
oct | 1720227267 |
9 | 584517010 |
10 | 255930039 |
11 | 121514032 |
12 | 718637b3 |
13 | 4103a8c1 |
14 | 25dc0d71 |
15 | 177061c9 |
hex | f412eb7 |
255930039 has 24 divisors (see below), whose sum is σ = 386485632. Its totient is φ = 162890640.
The previous prime is 255930029. The next prime is 255930047. The reversal of 255930039 is 930039552.
It is not a de Polignac number, because 255930039 - 25 = 255930007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 255929985 and 255930012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255930029) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162124 + ... + 163694.
It is an arithmetic number, because the mean of its divisors is an integer number (16103568).
Almost surely, 2255930039 is an apocalyptic number.
255930039 is a deficient number, since it is larger than the sum of its proper divisors (130555593).
255930039 is a wasteful number, since it uses less digits than its factorization.
255930039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2387 (or 2384 counting only the distinct ones).
The product of its (nonzero) digits is 36450, while the sum is 36.
The square root of 255930039 is about 15997.8135693600. The cubic root of 255930039 is about 634.9025737648.
The spelling of 255930039 in words is "two hundred fifty-five million, nine hundred thirty thousand, thirty-nine".
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