Base | Representation |
---|---|
bin | 1111110001011… |
… | …10010110011111 |
3 | 100012222001210100 |
4 | 13320232112133 |
5 | 232332413211 |
6 | 21043512143 |
7 | 3164422461 |
oct | 770562637 |
9 | 305861710 |
10 | 132310431 |
11 | 6875a870 |
12 | 38388653 |
13 | 215472c6 |
14 | 13802131 |
15 | b938156 |
hex | 7e2e59f |
132310431 has 12 divisors (see below), whose sum is σ = 208489320. Its totient is φ = 80188080.
The previous prime is 132310397. The next prime is 132310447. The reversal of 132310431 is 134013231.
132310431 is a `hidden beast` number, since 1 + 3 + 231 + 0 + 431 = 666.
It is not a de Polignac number, because 132310431 - 213 = 132302239 is a prime.
It is a super-2 number, since 2×1323104312 = 35012100302811522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132310331) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668136 + ... + 668333.
It is an arithmetic number, because the mean of its divisors is an integer number (17374110).
Almost surely, 2132310431 is an apocalyptic number.
132310431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
132310431 is a deficient number, since it is larger than the sum of its proper divisors (76178889).
132310431 is a wasteful number, since it uses less digits than its factorization.
132310431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1336486 (or 1336483 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 132310431 is about 11502.6271347028. The cubic root of 132310431 is about 509.5631668895.
Adding to 132310431 its reverse (134013231), we get a palindrome (266323662).
The spelling of 132310431 in words is "one hundred thirty-two million, three hundred ten thousand, four hundred thirty-one".
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