Base | Representation |
---|---|
bin | 11110000110011… |
… | …11001000111000 |
3 | 122121010200001021 |
4 | 33003033020320 |
5 | 1004120203210 |
6 | 41020032224 |
7 | 6154162036 |
oct | 1703171070 |
9 | 577120037 |
10 | 252506680 |
11 | 11a596008 |
12 | 70692674 |
13 | 4040c64a |
14 | 2576d556 |
15 | 1727bbda |
hex | f0cf238 |
252506680 has 16 divisors (see below), whose sum is σ = 568140120. Its totient is φ = 101002656.
The previous prime is 252506651. The next prime is 252506747. The reversal of 252506680 is 86605252.
252506680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3156294 + ... + 3156373.
Almost surely, 2252506680 is an apocalyptic number.
252506680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
252506680 is an abundant number, since it is smaller than the sum of its proper divisors (315633440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252506680 is a wasteful number, since it uses less digits than its factorization.
252506680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6312678 (or 6312674 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 34.
The square root of 252506680 is about 15890.4587724836. The cubic root of 252506680 is about 632.0590061342.
The spelling of 252506680 in words is "two hundred fifty-two million, five hundred six thousand, six hundred eighty".
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