Base | Representation |
---|---|
bin | 1101101110101… |
… | …1101010100110 |
3 | 11000100210102100 |
4 | 3123223222212 |
5 | 104220312030 |
6 | 5414152530 |
7 | 1266331116 |
oct | 333535246 |
9 | 130323370 |
10 | 57588390 |
11 | 2a564012 |
12 | 17352746 |
13 | bc14392 |
14 | 7911046 |
15 | 50c8360 |
hex | 36ebaa6 |
57588390 has 48 divisors (see below), whose sum is σ = 154567296. Its totient is φ = 14860800.
The previous prime is 57588383. The next prime is 57588397. The reversal of 57588390 is 9388575.
It is an interprime number because it is at equal distance from previous prime (57588383) and next prime (57588397).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57588397) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7531 + ... + 13110.
It is an arithmetic number, because the mean of its divisors is an integer number (3220152).
Almost surely, 257588390 is an apocalyptic number.
57588390 is an abundant number, since it is smaller than the sum of its proper divisors (96978906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57588390 is a wasteful number, since it uses less digits than its factorization.
57588390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20685 (or 20682 counting only the distinct ones).
The product of its (nonzero) digits is 302400, while the sum is 45.
The square root of 57588390 is about 7588.7014699486. The cubic root of 57588390 is about 386.1698045715.
The spelling of 57588390 in words is "fifty-seven million, five hundred eighty-eight thousand, three hundred ninety".
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