Base | Representation |
---|---|
bin | 1111100010111… |
… | …01100011100000 |
3 | 100002101100020222 |
4 | 13301131203200 |
5 | 231341002444 |
6 | 20535022212 |
7 | 3142303145 |
oct | 761354340 |
9 | 302340228 |
10 | 130406624 |
11 | 6767a477 |
12 | 3780a968 |
13 | 2102b8aa |
14 | 134683cc |
15 | b6adeee |
hex | 7c5d8e0 |
130406624 has 12 divisors (see below), whose sum is σ = 256738104. Its totient is φ = 65203296.
The previous prime is 130406621. The next prime is 130406629. The reversal of 130406624 is 426604031.
It is a junction number, because it is equal to n+sod(n) for n = 130406593 and 130406602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130406621) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2037572 + ... + 2037635.
It is an arithmetic number, because the mean of its divisors is an integer number (21394842).
Almost surely, 2130406624 is an apocalyptic number.
It is an amenable number.
130406624 is a deficient number, since it is larger than the sum of its proper divisors (126331480).
130406624 is an equidigital number, since it uses as much as digits as its factorization.
130406624 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4075217 (or 4075209 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 26.
The square root of 130406624 is about 11419.5719709628. The cubic root of 130406624 is about 507.1073251648.
The spelling of 130406624 in words is "one hundred thirty million, four hundred six thousand, six hundred twenty-four".
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