Base | Representation |
---|---|
bin | 1111110001100… |
… | …00111111001111 |
3 | 100012222121121100 |
4 | 13320300333033 |
5 | 232333234411 |
6 | 21044034143 |
7 | 3164466120 |
oct | 770607717 |
9 | 305877540 |
10 | 132321231 |
11 | 68767999 |
12 | 38392953 |
13 | 2154c1b3 |
14 | 13806047 |
15 | b93b456 |
hex | 7e30fcf |
132321231 has 48 divisors (see below), whose sum is σ = 232367616. Its totient is φ = 70918848.
The previous prime is 132321193. The next prime is 132321253. The reversal of 132321231 is 132123231.
It is not a de Polignac number, because 132321231 - 27 = 132321103 is a prime.
It is a super-2 number, since 2×1323212312 = 35017816346710722, which contains 22 as substring.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132321131) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75936 + ... + 77658.
It is an arithmetic number, because the mean of its divisors is an integer number (4840992).
Almost surely, 2132321231 is an apocalyptic number.
132321231 is a deficient number, since it is larger than the sum of its proper divisors (100046385).
132321231 is a wasteful number, since it uses less digits than its factorization.
132321231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1812 (or 1809 counting only the distinct ones).
The product of its digits is 216, while the sum is 18.
The square root of 132321231 is about 11503.0965830945. The cubic root of 132321231 is about 509.5770310836.
Adding to 132321231 its reverse (132123231), we get a palindrome (264444462).
The spelling of 132321231 in words is "one hundred thirty-two million, three hundred twenty-one thousand, two hundred thirty-one".
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