Base | Representation |
---|---|
bin | 1111100011010… |
… | …00101100010000 |
3 | 100002110122211110 |
4 | 13301220230100 |
5 | 231343432430 |
6 | 20540013320 |
7 | 3142553142 |
oct | 761505420 |
9 | 302418743 |
10 | 130452240 |
11 | 67700776 |
12 | 37831240 |
13 | 21046599 |
14 | 1347ac92 |
15 | b6bc7b0 |
hex | 7c68b10 |
130452240 has 40 divisors (see below), whose sum is σ = 404402688. Its totient is φ = 34787200.
The previous prime is 130452173. The next prime is 130452263. The reversal of 130452240 is 42254031.
130452240 is nontrivially palindromic in base 11.
It is a tau number, because it is divible by the number of its divisors (40).
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, 271536 + ... + 272015.
Almost surely, 2130452240 is an apocalyptic number.
130452240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130452240 is an abundant number, since it is smaller than the sum of its proper divisors (273950448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130452240 is a wasteful number, since it uses less digits than its factorization.
130452240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 543567 (or 543561 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 130452240 is about 11421.5690690903. The cubic root of 130452240 is about 507.1664466786.
The spelling of 130452240 in words is "one hundred thirty million, four hundred fifty-two thousand, two hundred forty".
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