Base | Representation |
---|---|
bin | 1101110010011… |
… | …1000000000000 |
3 | 11000211010210121 |
4 | 3130213000000 |
5 | 104301101144 |
6 | 5423310024 |
7 | 1301362510 |
oct | 334470000 |
9 | 130733717 |
10 | 57831424 |
11 | 2a70a672 |
12 | 1744b314 |
13 | bc9aba1 |
14 | 7975840 |
15 | 5125384 |
hex | 3727000 |
57831424 has 52 divisors (see below), whose sum is σ = 132235504. Its totient is φ = 24772608.
The previous prime is 57831413. The next prime is 57831439. The reversal of 57831424 is 42413875.
It is a self number, because there is not a number n which added to its sum of digits gives 57831424.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27664 + ... + 29680.
Almost surely, 257831424 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 57831424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66117752).
57831424 is an abundant number, since it is smaller than the sum of its proper divisors (74404080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57831424 is an equidigital number, since it uses as much as digits as its factorization.
57831424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2048 (or 2026 counting only the distinct ones).
The product of its digits is 26880, while the sum is 34.
The square root of 57831424 is about 7604.6974956273. The cubic root of 57831424 is about 386.7122789369.
The spelling of 57831424 in words is "fifty-seven million, eight hundred thirty-one thousand, four hundred twenty-four".
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