Base | Representation |
---|---|
bin | 1101101111011… |
… | …0001100110110 |
3 | 11000102222121120 |
4 | 3123312030312 |
5 | 104223202132 |
6 | 5415124410 |
7 | 1266600663 |
oct | 333661466 |
9 | 130388546 |
10 | 57631542 |
11 | 2a593481 |
12 | 17373706 |
13 | bc2ac07 |
14 | 7922a6a |
15 | 50d602c |
hex | 36f6336 |
57631542 has 32 divisors (see below), whose sum is σ = 119439360. Its totient is φ = 18519360.
The previous prime is 57631523. The next prime is 57631549. The reversal of 57631542 is 24513675.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57631549) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70834 + ... + 71642.
It is an arithmetic number, because the mean of its divisors is an integer number (3732480).
Almost surely, 257631542 is an apocalyptic number.
57631542 is an abundant number, since it is smaller than the sum of its proper divisors (61807818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57631542 is a wasteful number, since it uses less digits than its factorization.
57631542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1228.
The product of its digits is 25200, while the sum is 33.
The square root of 57631542 is about 7591.5441117074. The cubic root of 57631542 is about 386.2662351132.
The spelling of 57631542 in words is "fifty-seven million, six hundred thirty-one thousand, five hundred forty-two".
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