Base | Representation |
---|---|
bin | 1111100101011… |
… | …11100001111000 |
3 | 100010000101211211 |
4 | 13302233201320 |
5 | 231432224032 |
6 | 20550132504 |
7 | 3145202104 |
oct | 762574170 |
9 | 303011754 |
10 | 130742392 |
11 | 67889770 |
12 | 37951134 |
13 | 21118681 |
14 | 13514904 |
15 | b728747 |
hex | 7caf878 |
130742392 has 32 divisors (see below), whose sum is σ = 268138800. Its totient is φ = 59270400.
The previous prime is 130742389. The next prime is 130742413. The reversal of 130742392 is 293247031.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35284 + ... + 38812.
Almost surely, 2130742392 is an apocalyptic number.
It is an amenable number.
130742392 is an abundant number, since it is smaller than the sum of its proper divisors (137396408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130742392 is a wasteful number, since it uses less digits than its factorization.
130742392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3967 (or 3963 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 130742392 is about 11434.2639465774. The cubic root of 130742392 is about 507.5421816153.
The spelling of 130742392 in words is "one hundred thirty million, seven hundred forty-two thousand, three hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •