Base | Representation |
---|---|
bin | 1111110010100… |
… | …10010101100110 |
3 | 100020020112222120 |
4 | 13321102111212 |
5 | 232402122310 |
6 | 21051010410 |
7 | 3165605301 |
oct | 771222546 |
9 | 306215876 |
10 | 132457830 |
11 | 6885058a |
12 | 38439a06 |
13 | 2159941b |
14 | 1383db38 |
15 | b966b70 |
hex | 7e52566 |
132457830 has 32 divisors (see below), whose sum is σ = 319559904. Its totient is φ = 35137536.
The previous prime is 132457807. The next prime is 132457849. The reversal of 132457830 is 38754231.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 132457791 and 132457800.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5649 + ... + 17228.
It is an arithmetic number, because the mean of its divisors is an integer number (9986247).
Almost surely, 2132457830 is an apocalyptic number.
132457830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
132457830 is an abundant number, since it is smaller than the sum of its proper divisors (187102074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132457830 is a wasteful number, since it uses less digits than its factorization.
132457830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23080.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 132457830 is about 11509.0325397055. The cubic root of 132457830 is about 509.7523211042.
The spelling of 132457830 in words is "one hundred thirty-two million, four hundred fifty-seven thousand, eight hundred thirty".
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