Base | Representation |
---|---|
bin | 10010111111001… |
… | …01010100000000 |
3 | 102002200222011221 |
4 | 21133211110000 |
5 | 311233233430 |
6 | 23445444424 |
7 | 3642544246 |
oct | 1137452400 |
9 | 362628157 |
10 | 159274240 |
11 | 819a7104 |
12 | 45410714 |
13 | 26cc8318 |
14 | 17220796 |
15 | deb257a |
hex | 97e5500 |
159274240 has 36 divisors (see below), whose sum is σ = 381514644. Its totient is φ = 63709184.
The previous prime is 159274237. The next prime is 159274277. The reversal of 159274240 is 42472951.
It can be written as a sum of positive squares in 2 ways, for example, as 118722816 + 40551424 = 10896^2 + 6368^2 .
It is a junction number, because it is equal to n+sod(n) for n = 159274196 and 159274205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60937 + ... + 63496.
It is an arithmetic number, because the mean of its divisors is an integer number (10597629).
Almost surely, 2159274240 is an apocalyptic number.
159274240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
159274240 is an abundant number, since it is smaller than the sum of its proper divisors (222240404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
159274240 is an equidigital number, since it uses as much as digits as its factorization.
159274240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124454 (or 124440 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 159274240 is about 12620.3898513477. The cubic root of 159274240 is about 542.0614391847.
The spelling of 159274240 in words is "one hundred fifty-nine million, two hundred seventy-four thousand, two hundred forty".
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