Base | Representation |
---|---|
bin | 1101110001111… |
… | …0111001010000 |
3 | 11000202110020222 |
4 | 3130132321100 |
5 | 104244020344 |
6 | 5422452212 |
7 | 1301163641 |
oct | 334367120 |
9 | 130673228 |
10 | 57798224 |
11 | 2a697730 |
12 | 17434068 |
13 | bc88a43 |
14 | 79676c8 |
15 | 511a5ee |
hex | 371ee50 |
57798224 has 40 divisors (see below), whose sum is σ = 122858208. Its totient is φ = 26122880.
The previous prime is 57798197. The next prime is 57798263. The reversal of 57798224 is 42289775.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33839 + ... + 35505.
Almost surely, 257798224 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 57798224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61429104).
57798224 is an abundant number, since it is smaller than the sum of its proper divisors (65059984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57798224 is a wasteful number, since it uses less digits than its factorization.
57798224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1883 (or 1877 counting only the distinct ones).
The product of its digits is 282240, while the sum is 44.
The square root of 57798224 is about 7602.5143209336. The cubic root of 57798224 is about 386.6382632063.
The spelling of 57798224 in words is "fifty-seven million, seven hundred ninety-eight thousand, two hundred twenty-four".
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