Base | Representation |
---|---|
bin | 1111100011001… |
… | …11001000111110 |
3 | 100002110100010010 |
4 | 13301213020332 |
5 | 231343232021 |
6 | 20535524050 |
7 | 3142525464 |
oct | 761471076 |
9 | 302410103 |
10 | 130445886 |
11 | 676a6a1a |
12 | 37829626 |
13 | 2104371c |
14 | 13478834 |
15 | b6ba976 |
hex | 7c6723e |
130445886 has 32 divisors (see below), whose sum is σ = 273715200. Its totient is φ = 41387360.
The previous prime is 130445867. The next prime is 130445899. The reversal of 130445886 is 688544031.
It is a super-2 number, since 2×1304458862 = 34032258348649992, which contains 22 as substring.
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, 7075 + ... + 17633.
It is an arithmetic number, because the mean of its divisors is an integer number (8553600).
Almost surely, 2130445886 is an apocalyptic number.
130445886 is an abundant number, since it is smaller than the sum of its proper divisors (143269314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130445886 is a wasteful number, since it uses less digits than its factorization.
130445886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10664.
The product of its (nonzero) digits is 92160, while the sum is 39.
The square root of 130445886 is about 11421.2909077740. The cubic root of 130445886 is about 507.1582122782.
The spelling of 130445886 in words is "one hundred thirty million, four hundred forty-five thousand, eight hundred eighty-six".
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