Base | Representation |
---|---|
bin | 1010011100111… |
… | …01001101010000 |
3 | 20002222101111012 |
4 | 11032131031100 |
5 | 134421110403 |
6 | 12411110052 |
7 | 2113142240 |
oct | 516351520 |
9 | 202871435 |
10 | 87675728 |
11 | 45544088 |
12 | 25442328 |
13 | 1521a03a |
14 | b903b20 |
15 | 7a6ced8 |
hex | 539d350 |
87675728 has 40 divisors (see below), whose sum is σ = 204361920. Its totient is φ = 35596800.
The previous prime is 87675713. The next prime is 87675739. The reversal of 87675728 is 82757678.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18473 + ... + 22728.
It is an arithmetic number, because the mean of its divisors is an integer number (5109048).
Almost surely, 287675728 is an apocalyptic number.
It is an amenable number.
87675728 is an abundant number, since it is smaller than the sum of its proper divisors (116686192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87675728 is a wasteful number, since it uses less digits than its factorization.
87675728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41235 (or 41229 counting only the distinct ones).
The product of its digits is 1317120, while the sum is 50.
The square root of 87675728 is about 9363.5318123024. The cubic root of 87675728 is about 444.2490013634.
The spelling of 87675728 in words is "eighty-seven million, six hundred seventy-five thousand, seven hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •