Base | Representation |
---|---|
bin | 10000110010100… |
… | …01110010000000 |
3 | 100211000121212101 |
4 | 20121101302000 |
5 | 242024003120 |
6 | 21550440144 |
7 | 3330104242 |
oct | 1031216200 |
9 | 324017771 |
10 | 140844160 |
11 | 72559336 |
12 | 3b203054 |
13 | 23244652 |
14 | 149c4092 |
15 | c57190a |
hex | 8651c80 |
140844160 has 96 divisors (see below), whose sum is σ = 349436700. Its totient is φ = 54282240.
The previous prime is 140844149. The next prime is 140844173. The reversal of 140844160 is 61448041.
It can be written as a sum of positive squares in 2 ways, for example, as 135862336 + 4981824 = 11656^2 + 2232^2 .
It is a super-2 number, since 2×1408441602 = 39674154812211200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 614926 + ... + 615154.
Almost surely, 2140844160 is an apocalyptic number.
140844160 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 140844160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174718350).
140844160 is an abundant number, since it is smaller than the sum of its proper divisors (208592540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140844160 is an equidigital number, since it uses as much as digits as its factorization.
140844160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310 (or 267 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 140844160 is about 11867.7782250934. The cubic root of 140844160 is about 520.2909614251.
The spelling of 140844160 in words is "one hundred forty million, eight hundred forty-four thousand, one hundred sixty".
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