Base | Representation |
---|---|
bin | 1101110011001… |
… | …1001000000000 |
3 | 11000220122221000 |
4 | 3130303020000 |
5 | 104304143323 |
6 | 5424332000 |
7 | 1301660346 |
oct | 334631000 |
9 | 130818830 |
10 | 57881088 |
11 | 2a743a11 |
12 | 17474000 |
13 | bcb7685 |
14 | 7989996 |
15 | 5134e43 |
hex | 3733200 |
57881088 has 160 divisors (see below), whose sum is σ = 176774400. Its totient is φ = 18690048.
The previous prime is 57881081. The next prime is 57881101. The reversal of 57881088 is 88018875.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57881081) 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, 732633 + ... + 732711.
It is an arithmetic number, because the mean of its divisors is an integer number (1104840).
Almost surely, 257881088 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 57881088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88387200).
57881088 is an abundant number, since it is smaller than the sum of its proper divisors (118893312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57881088 is an equidigital number, since it uses as much as digits as its factorization.
57881088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159 (or 137 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 45.
The square root of 57881088 is about 7607.9621450162. The cubic root of 57881088 is about 386.8229464722.
The spelling of 57881088 in words is "fifty-seven million, eight hundred eighty-one thousand, eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •