Base | Representation |
---|---|
bin | 1111101011100… |
… | …00010101100100 |
3 | 100011111112011110 |
4 | 13311300111210 |
5 | 232133012012 |
6 | 21015105020 |
7 | 3155001414 |
oct | 765602544 |
9 | 304445143 |
10 | 131532132 |
11 | 68279046 |
12 | 38072170 |
13 | 21333c84 |
14 | 1367c644 |
15 | b83273c |
hex | 7d70564 |
131532132 has 48 divisors (see below), whose sum is σ = 323592192. Its totient is φ = 41521440.
The previous prime is 131532131. The next prime is 131532161. The reversal of 131532132 is 231235131.
It is a junction number, because it is equal to n+sod(n) for n = 131532099 and 131532108.
It is not an unprimeable number, because it can be changed into a prime (131532131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13723 + ... + 21245.
It is an arithmetic number, because the mean of its divisors is an integer number (6741504).
Almost surely, 2131532132 is an apocalyptic number.
131532132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131532132 is an abundant number, since it is smaller than the sum of its proper divisors (192060060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131532132 is a wasteful number, since it uses less digits than its factorization.
131532132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7608 (or 7606 counting only the distinct ones).
The product of its digits is 540, while the sum is 21.
The square root of 131532132 is about 11468.7458773835. The cubic root of 131532132 is about 508.5620548678.
Adding to 131532132 its reverse (231235131), we get a palindrome (362767263).
The spelling of 131532132 in words is "one hundred thirty-one million, five hundred thirty-two thousand, one hundred thirty-two".
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