Base | Representation |
---|---|
bin | 1010011000001… |
… | …10011000000100 |
3 | 20001211000000120 |
4 | 11030012120010 |
5 | 134241323144 |
6 | 12345541540 |
7 | 2104660122 |
oct | 514063004 |
9 | 201730016 |
10 | 87057924 |
11 | 451619a8 |
12 | 251a48b0 |
13 | 15061a85 |
14 | b7c2912 |
15 | 7999e19 |
hex | 5306604 |
87057924 has 96 divisors (see below), whose sum is σ = 223910400. Its totient is φ = 26231040.
The previous prime is 87057911. The next prime is 87057941. The reversal of 87057924 is 42975078.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626247 + ... + 626385.
It is an arithmetic number, because the mean of its divisors is an integer number (2332400).
Almost surely, 287057924 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87057924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111955200).
87057924 is an abundant number, since it is smaller than the sum of its proper divisors (136852476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87057924 is a wasteful number, since it uses less digits than its factorization.
87057924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273 (or 271 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 42.
The square root of 87057924 is about 9330.4835887536. The cubic root of 87057924 is about 443.2030790513.
The spelling of 87057924 in words is "eighty-seven million, fifty-seven thousand, nine hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •