Base | Representation |
---|---|
bin | 1101110010100… |
… | …0010010111010 |
3 | 11000211102002010 |
4 | 3130220102322 |
5 | 104301233410 |
6 | 5423350350 |
7 | 1301414130 |
oct | 334502272 |
9 | 130742063 |
10 | 57836730 |
11 | 2a713656 |
12 | 174523b6 |
13 | bca0423 |
14 | 7977750 |
15 | 5126c20 |
hex | 37284ba |
57836730 has 64 divisors (see below), whose sum is σ = 164125440. Its totient is φ = 12762624.
The previous prime is 57836719. The next prime is 57836747. The reversal of 57836730 is 3763875.
57836730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 1342 + ... + 10838.
It is an arithmetic number, because the mean of its divisors is an integer number (2564460).
Almost surely, 257836730 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57836730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82062720).
57836730 is an abundant number, since it is smaller than the sum of its proper divisors (106288710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57836730 is a wasteful number, since it uses less digits than its factorization.
57836730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9543.
The product of its (nonzero) digits is 105840, while the sum is 39.
The square root of 57836730 is about 7605.0463509436. The cubic root of 57836730 is about 386.7241054518.
The spelling of 57836730 in words is "fifty-seven million, eight hundred thirty-six thousand, seven hundred thirty".
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