Base | Representation |
---|---|
bin | 1111100110011… |
… | …00110010100000 |
3 | 100010020111020122 |
4 | 13303030302200 |
5 | 232000042430 |
6 | 20552455412 |
7 | 3146211365 |
oct | 763146240 |
9 | 303214218 |
10 | 130862240 |
11 | 67960813 |
12 | 379aa568 |
13 | 2115b0a2 |
14 | 1354646c |
15 | b74dee5 |
hex | 7cccca0 |
130862240 has 24 divisors (see below), whose sum is σ = 309162420. Its totient is φ = 52344832.
The previous prime is 130862231. The next prime is 130862261. The reversal of 130862240 is 42268031.
It can be written as a sum of positive squares in 2 ways, for example, as 128777104 + 2085136 = 11348^2 + 1444^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408785 + ... + 409104.
Almost surely, 2130862240 is an apocalyptic number.
130862240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130862240 is an abundant number, since it is smaller than the sum of its proper divisors (178300180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130862240 is an equidigital number, since it uses as much as digits as its factorization.
130862240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 817904 (or 817896 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 130862240 is about 11439.5034857287. The cubic root of 130862240 is about 507.6972176305.
The spelling of 130862240 in words is "one hundred thirty million, eight hundred sixty-two thousand, two hundred forty".
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