Base | Representation |
---|---|
bin | 10000101100101… |
… | …11011011111001 |
3 | 100202120211212002 |
4 | 20112113123321 |
5 | 241330042024 |
6 | 21522230345 |
7 | 3320445044 |
oct | 1026273371 |
9 | 322524762 |
10 | 140080889 |
11 | 72087933 |
12 | 3aab53b5 |
13 | 23038100 |
14 | 14865c5b |
15 | c4706ae |
hex | 85976f9 |
140080889 has 6 divisors (see below), whose sum is σ = 151685406. Its totient is φ = 129305280.
The previous prime is 140080877. The next prime is 140080891. The reversal of 140080889 is 988080041.
It can be written as a sum of positive squares in 3 ways, for example, as 840889 + 139240000 = 917^2 + 11800^2 .
It is a de Polignac number, because none of the positive numbers 2k-140080889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (140080819) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 414272 + ... + 414609.
It is an arithmetic number, because the mean of its divisors is an integer number (25280901).
Almost surely, 2140080889 is an apocalyptic number.
It is an amenable number.
140080889 is a deficient number, since it is larger than the sum of its proper divisors (11604517).
140080889 is an equidigital number, since it uses as much as digits as its factorization.
140080889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 828907 (or 828894 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 38.
The square root of 140080889 is about 11835.5772567290. The cubic root of 140080889 is about 519.3493946588.
The spelling of 140080889 in words is "one hundred forty million, eighty thousand, eight hundred eighty-nine".
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