Base | Representation |
---|---|
bin | 1111100011000… |
… | …11011010101000 |
3 | 100002102120012011 |
4 | 13301203122220 |
5 | 231342240012 |
6 | 20535325304 |
7 | 3142433143 |
oct | 761433250 |
9 | 302376164 |
10 | 130430632 |
11 | 67696512 |
12 | 37820834 |
13 | 210397b7 |
14 | 1347305a |
15 | b6b61a7 |
hex | 7c636a8 |
130430632 has 16 divisors (see below), whose sum is σ = 252990900. Its totient is φ = 62966400.
The previous prime is 130430569. The next prime is 130430639. The reversal of 130430632 is 236034031.
It can be written as a sum of positive squares in 2 ways, for example, as 127825636 + 2604996 = 11306^2 + 1614^2 .
It is not an unprimeable number, because it can be changed into a prime (130430639) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280869 + ... + 281332.
Almost surely, 2130430632 is an apocalyptic number.
It is an amenable number.
130430632 is a deficient number, since it is larger than the sum of its proper divisors (122560268).
130430632 is a wasteful number, since it uses less digits than its factorization.
130430632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 562236 (or 562232 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 130430632 is about 11420.6231003391. The cubic root of 130430632 is about 507.1384429236.
Adding to 130430632 its reverse (236034031), we get a palindrome (366464663).
The spelling of 130430632 in words is "one hundred thirty million, four hundred thirty thousand, six hundred thirty-two".
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