Base | Representation |
---|---|
bin | 1101101101101… |
… | …0101111000000 |
3 | 11000020021021211 |
4 | 3123122233000 |
5 | 104211102130 |
6 | 5412455504 |
7 | 1265621665 |
oct | 333325700 |
9 | 130207254 |
10 | 57519040 |
11 | 2a5169a7 |
12 | 1731a594 |
13 | bbbb947 |
14 | 78d3a6c |
15 | 50b2a2a |
hex | 36dabc0 |
57519040 has 56 divisors (see below), whose sum is σ = 137891520. Its totient is φ = 22852608.
The previous prime is 57519029. The next prime is 57519073. The reversal of 57519040 is 4091575.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 57518993 and 57519011.
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, 54841 + ... + 55879.
Almost surely, 257519040 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 57519040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68945760).
57519040 is an abundant number, since it is smaller than the sum of its proper divisors (80372480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57519040 is a wasteful number, since it uses less digits than its factorization.
57519040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1229 (or 1219 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 31.
The square root of 57519040 is about 7584.1308005598. The cubic root of 57519040 is about 386.0147291399.
The spelling of 57519040 in words is "fifty-seven million, five hundred nineteen thousand, forty".
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