Base | Representation |
---|---|
bin | 1111110010011… |
… | …01111111011111 |
3 | 100020012122120100 |
4 | 13321031333133 |
5 | 232401040111 |
6 | 21050352143 |
7 | 3165502353 |
oct | 771157737 |
9 | 306178510 |
10 | 132440031 |
11 | 68839179 |
12 | 3842b653 |
13 | 215912a9 |
14 | 13837463 |
15 | b961756 |
hex | 7e4dfdf |
132440031 has 24 divisors (see below), whose sum is σ = 198095040. Its totient is φ = 85211136.
The previous prime is 132440023. The next prime is 132440041. The reversal of 132440031 is 130044231.
It is not a de Polignac number, because 132440031 - 23 = 132440023 is a prime.
It is a super-2 number, since 2×1324400312 = 35080723622561922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 132439986 and 132440013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132440041) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28735 + ... + 33023.
It is an arithmetic number, because the mean of its divisors is an integer number (8253960).
Almost surely, 2132440031 is an apocalyptic number.
132440031 is a deficient number, since it is larger than the sum of its proper divisors (65655009).
132440031 is a wasteful number, since it uses less digits than its factorization.
132440031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4415 (or 4412 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 132440031 is about 11508.2592515115. The cubic root of 132440031 is about 509.7294874522.
Adding to 132440031 its reverse (130044231), we get a palindrome (262484262).
The spelling of 132440031 in words is "one hundred thirty-two million, four hundred forty thousand, thirty-one".
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