Base | Representation |
---|---|
bin | 1111100110001… |
… | …01011010010100 |
3 | 100010011221210101 |
4 | 13303011122110 |
5 | 231443111040 |
6 | 20552103444 |
7 | 3146024314 |
oct | 763053224 |
9 | 303157711 |
10 | 130832020 |
11 | 67940040 |
12 | 37994b84 |
13 | 2114a3c7 |
14 | 13539444 |
15 | b74509a |
hex | 7cc5694 |
130832020 has 48 divisors (see below), whose sum is σ = 306125568. Its totient is φ = 46559360.
The previous prime is 130832011. The next prime is 130832033. The reversal of 130832020 is 20238031.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4014 + ... + 16666.
It is an arithmetic number, because the mean of its divisors is an integer number (6377616).
Almost surely, 2130832020 is an apocalyptic number.
130832020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130832020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153062784).
130832020 is an abundant number, since it is smaller than the sum of its proper divisors (175293548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130832020 is a wasteful number, since it uses less digits than its factorization.
130832020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12720 (or 12718 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 130832020 is about 11438.1825479400. The cubic root of 130832020 is about 507.6581338044.
The spelling of 130832020 in words is "one hundred thirty million, eight hundred thirty-two thousand, twenty".
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