Base | Representation |
---|---|
bin | 1111110010010… |
… | …11010001000110 |
3 | 100020012002020222 |
4 | 13321023101012 |
5 | 232400210440 |
6 | 21050224342 |
7 | 3165425000 |
oct | 771132106 |
9 | 306162228 |
10 | 132428870 |
11 | 68830852 |
12 | 384250b2 |
13 | 215891a2 |
14 | 13833370 |
15 | b95d2b5 |
hex | 7e4b446 |
132428870 has 32 divisors (see below), whose sum is σ = 277992000. Its totient is φ = 45403008.
The previous prime is 132428843. The next prime is 132428873. The reversal of 132428870 is 78824231.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 132428870.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132428873) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15875 + ... + 22734.
It is an arithmetic number, because the mean of its divisors is an integer number (8687250).
Almost surely, 2132428870 is an apocalyptic number.
132428870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
132428870 is an abundant number, since it is smaller than the sum of its proper divisors (145563130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132428870 is an equidigital number, since it uses as much as digits as its factorization.
132428870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38637 (or 38623 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 132428870 is about 11507.7743286875. The cubic root of 132428870 is about 509.7151683912.
The spelling of 132428870 in words is "one hundred thirty-two million, four hundred twenty-eight thousand, eight hundred seventy".
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