Base | Representation |
---|---|
bin | 10000101011010… |
… | …00101000001000 |
3 | 100202020002212000 |
4 | 20111220220020 |
5 | 241302423120 |
6 | 21514151000 |
7 | 3316016055 |
oct | 1025505010 |
9 | 322202760 |
10 | 139889160 |
11 | 71a66884 |
12 | 3aa22460 |
13 | 22c9ba68 |
14 | 1481602c |
15 | c433990 |
hex | 8568a08 |
139889160 has 64 divisors (see below), whose sum is σ = 466300800. Its totient is φ = 37303488.
The previous prime is 139889159. The next prime is 139889179. The reversal of 139889160 is 61988931.
It is a Harshad number since it is a multiple of its sum of digits (45).
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, 63684 + ... + 65843.
It is an arithmetic number, because the mean of its divisors is an integer number (7285950).
Almost surely, 2139889160 is an apocalyptic number.
139889160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
139889160 is an abundant number, since it is smaller than the sum of its proper divisors (326411640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139889160 is a wasteful number, since it uses less digits than its factorization.
139889160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129547 (or 129537 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 45.
The square root of 139889160 is about 11827.4747938856. The cubic root of 139889160 is about 519.1123416137.
The spelling of 139889160 in words is "one hundred thirty-nine million, eight hundred eighty-nine thousand, one hundred sixty".
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