Base | Representation |
---|---|
bin | 1010011110111… |
… | …01111101000100 |
3 | 20010110212021120 |
4 | 11033131331010 |
5 | 140003102212 |
6 | 12420513540 |
7 | 2115325362 |
oct | 517357504 |
9 | 203425246 |
10 | 87940932 |
11 | 45705362 |
12 | 2554b8b0 |
13 | 152b0971 |
14 | b972632 |
15 | 7ac188c |
hex | 53ddf44 |
87940932 has 24 divisors (see below), whose sum is σ = 217266336. Its totient is φ = 27589248.
The previous prime is 87940921. The next prime is 87940933. The reversal of 87940932 is 23904978.
It is not an unprimeable number, because it can be changed into a prime (87940933) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215338 + ... + 215745.
It is an arithmetic number, because the mean of its divisors is an integer number (9052764).
Almost surely, 287940932 is an apocalyptic number.
It is an amenable number.
87940932 is an abundant number, since it is smaller than the sum of its proper divisors (129325404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87940932 is a wasteful number, since it uses less digits than its factorization.
87940932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431107 (or 431105 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 87940932 is about 9377.6826561790. The cubic root of 87940932 is about 444.6964760994.
The spelling of 87940932 in words is "eighty-seven million, nine hundred forty thousand, nine hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •