Base | Representation |
---|---|
bin | 1101110010100… |
… | …1100111001000 |
3 | 11000211200110202 |
4 | 3130221213020 |
5 | 104301421440 |
6 | 5423431332 |
7 | 1301435630 |
oct | 334514710 |
9 | 130750422 |
10 | 57842120 |
11 | 2a717706 |
12 | 17455548 |
13 | bca2a0b |
14 | 79796c0 |
15 | 5128615 |
hex | 37299c8 |
57842120 has 64 divisors (see below), whose sum is σ = 149748480. Its totient is φ = 19696896.
The previous prime is 57842117. The next prime is 57842149. The reversal of 57842120 is 2124875.
57842120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 15 ways as a sum of consecutive naturals, for example, 46142 + ... + 47378.
It is an arithmetic number, because the mean of its divisors is an integer number (2339820).
Almost surely, 257842120 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 57842120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74874240).
57842120 is an abundant number, since it is smaller than the sum of its proper divisors (91906360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57842120 is a wasteful number, since it uses less digits than its factorization.
57842120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1422 (or 1418 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 57842120 is about 7605.4007126515. The cubic root of 57842120 is about 386.7361184533.
Adding to 57842120 its reverse (2124875), we get a palindrome (59966995).
The spelling of 57842120 in words is "fifty-seven million, eight hundred forty-two thousand, one hundred twenty".
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