Base | Representation |
---|---|
bin | 1111110010111… |
… | …00111100100101 |
3 | 100020022202121000 |
4 | 13321130330211 |
5 | 232410020120 |
6 | 21051543513 |
7 | 3166146060 |
oct | 771347445 |
9 | 306282530 |
10 | 132501285 |
11 | 688801a4 |
12 | 3845ab99 |
13 | 215b3137 |
14 | 138518d7 |
15 | b974990 |
hex | 7e5cf25 |
132501285 has 64 divisors (see below), whose sum is σ = 277954560. Its totient is φ = 58605120.
The previous prime is 132501263. The next prime is 132501289. The reversal of 132501285 is 582105231.
It is a happy number.
132501285 is a `hidden beast` number, since 132 + 501 + 28 + 5 = 666.
It is not a de Polignac number, because 132501285 - 219 = 131976997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132501289) 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 63 ways as a sum of consecutive naturals, for example, 27034 + ... + 31556.
It is an arithmetic number, because the mean of its divisors is an integer number (4343040).
Almost surely, 2132501285 is an apocalyptic number.
132501285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
132501285 is an abundant number, since it is smaller than the sum of its proper divisors (145453275).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132501285 is a wasteful number, since it uses less digits than its factorization.
132501285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4575 (or 4569 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 132501285 is about 11510.9202499192. The cubic root of 132501285 is about 509.8080592592.
It can be divided in two parts, 13250 and 1285, that added together give a triangular number (14535 = T170).
The spelling of 132501285 in words is "one hundred thirty-two million, five hundred one thousand, two hundred eighty-five".
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