Base | Representation |
---|---|
bin | 1111110011001… |
… | …00001001110101 |
3 | 100020101021002100 |
4 | 13321210021311 |
5 | 232411441210 |
6 | 21052332313 |
7 | 3166331121 |
oct | 771441165 |
9 | 306337070 |
10 | 132530805 |
11 | 688a03a0 |
12 | 38474099 |
13 | 215c36c4 |
14 | 1385c581 |
15 | b97d5c0 |
hex | 7e64275 |
132530805 has 24 divisors (see below), whose sum is σ = 250604640. Its totient is φ = 64257120.
The previous prime is 132530803. The next prime is 132530837. The reversal of 132530805 is 508035231.
It is not a de Polignac number, because 132530805 - 21 = 132530803 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132530803) 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, 133375 + ... + 134364.
It is an arithmetic number, because the mean of its divisors is an integer number (10441860).
Almost surely, 2132530805 is an apocalyptic number.
132530805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
132530805 is a deficient number, since it is larger than the sum of its proper divisors (118073835).
132530805 is a wasteful number, since it uses less digits than its factorization.
132530805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267761 (or 267758 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 132530805 is about 11512.2024391513. The cubic root of 132530805 is about 509.8459165434.
The spelling of 132530805 in words is "one hundred thirty-two million, five hundred thirty thousand, eight hundred five".
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