Base | Representation |
---|---|
bin | 1111110100110… |
… | …00011001111111 |
3 | 100020210010200020 |
4 | 13322120121333 |
5 | 232440313311 |
6 | 21101103223 |
7 | 3201212112 |
oct | 772303177 |
9 | 306703606 |
10 | 132744831 |
11 | 68a2717a |
12 | 38557b13 |
13 | 21669c4b |
14 | 138b6579 |
15 | b9c1c06 |
hex | 7e9867f |
132744831 has 4 divisors (see below), whose sum is σ = 176993112. Its totient is φ = 88496552.
The previous prime is 132744817. The next prime is 132744841. The reversal of 132744831 is 138447231.
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-132744831 is a prime.
It is a super-2 number, since 2×1327448312 = 35242380314437122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 132744792 and 132744801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132744841) 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, 22124136 + ... + 22124141.
It is an arithmetic number, because the mean of its divisors is an integer number (44248278).
Almost surely, 2132744831 is an apocalyptic number.
132744831 is a deficient number, since it is larger than the sum of its proper divisors (44248281).
132744831 is an equidigital number, since it uses as much as digits as its factorization.
132744831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44248280.
The product of its digits is 16128, while the sum is 33.
The square root of 132744831 is about 11521.4943041257. The cubic root of 132744831 is about 510.1202215620.
The spelling of 132744831 in words is "one hundred thirty-two million, seven hundred forty-four thousand, eight hundred thirty-one".
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