Base | Representation |
---|---|
bin | 1111110001001… |
… | …01000100101111 |
3 | 100012220010122221 |
4 | 13320211010233 |
5 | 232330204211 |
6 | 21043020211 |
7 | 3164203624 |
oct | 770450457 |
9 | 305803587 |
10 | 132272431 |
11 | 68734265 |
12 | 3836a667 |
13 | 21532c15 |
14 | 137d234b |
15 | b92bc71 |
hex | 7e2512f |
132272431 has 4 divisors (see below), whose sum is σ = 132775632. Its totient is φ = 131769232.
The previous prime is 132272419. The next prime is 132272449. The reversal of 132272431 is 134272231.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-132272431 is a prime.
It is a super-2 number, since 2×1322724312 = 34991992005299522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 132272396 and 132272405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132272831) 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, 251206 + ... + 251731.
It is an arithmetic number, because the mean of its divisors is an integer number (33193908).
Almost surely, 2132272431 is an apocalyptic number.
132272431 is a deficient number, since it is larger than the sum of its proper divisors (503201).
132272431 is an equidigital number, since it uses as much as digits as its factorization.
132272431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 503200.
The product of its digits is 2016, while the sum is 25.
The square root of 132272431 is about 11500.9752195194. The cubic root of 132272431 is about 509.5143794678.
The spelling of 132272431 in words is "one hundred thirty-two million, two hundred seventy-two thousand, four hundred thirty-one".
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