Base | Representation |
---|---|
bin | 1111110101110… |
… | …11000001101110 |
3 | 100021001100012100 |
4 | 13322323001232 |
5 | 233004333023 |
6 | 21104115530 |
7 | 3202342413 |
oct | 772730156 |
9 | 307040170 |
10 | 132886638 |
11 | 69013775 |
12 | 38605ba6 |
13 | 216b9661 |
14 | 1391210a |
15 | b9edc43 |
hex | 7ebb06e |
132886638 has 24 divisors (see below), whose sum is σ = 288147600. Its totient is φ = 44260704.
The previous prime is 132886631. The next prime is 132886651. The reversal of 132886638 is 836688231.
132886638 is a `hidden beast` number, since 1 + 3 + 2 + 8 + 8 + 6 + 638 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 132886593 and 132886602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132886631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31858 + ... + 35786.
It is an arithmetic number, because the mean of its divisors is an integer number (12006150).
Almost surely, 2132886638 is an apocalyptic number.
132886638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
132886638 is an abundant number, since it is smaller than the sum of its proper divisors (155260962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132886638 is a wasteful number, since it uses less digits than its factorization.
132886638 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5816 (or 5813 counting only the distinct ones).
The product of its digits is 331776, while the sum is 45.
The square root of 132886638 is about 11527.6466809145. The cubic root of 132886638 is about 510.3018052164.
The spelling of 132886638 in words is "one hundred thirty-two million, eight hundred eighty-six thousand, six hundred thirty-eight".
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