Base | Representation |
---|---|
bin | 1111100011101… |
… | …10100000111000 |
3 | 100002120112111100 |
4 | 13301312200320 |
5 | 231402240411 |
6 | 20541131400 |
7 | 3143210202 |
oct | 761664070 |
9 | 302515440 |
10 | 130508856 |
11 | 6773a265 |
12 | 37859b60 |
13 | 2106629a |
14 | 13493772 |
15 | b6ce456 |
hex | 7c76838 |
130508856 has 24 divisors (see below), whose sum is σ = 353461680. Its totient is φ = 43502928.
The previous prime is 130508849. The next prime is 130508887. The reversal of 130508856 is 658805031.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×1305088562 = 34065122988857472, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 130508856.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 906240 + ... + 906383.
It is an arithmetic number, because the mean of its divisors is an integer number (14727570).
Almost surely, 2130508856 is an apocalyptic number.
It is an amenable number.
130508856 is an abundant number, since it is smaller than the sum of its proper divisors (222952824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130508856 is a wasteful number, since it uses less digits than its factorization.
130508856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1812635 (or 1812628 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The square root of 130508856 is about 11424.0472688098. The cubic root of 130508856 is about 507.2398057936.
The spelling of 130508856 in words is "one hundred thirty million, five hundred eight thousand, eight hundred fifty-six".
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