Base | Representation |
---|---|
bin | 1100110100110… |
… | …0001101100010 |
3 | 10202012210101010 |
4 | 3031030031202 |
5 | 102232231123 |
6 | 5200521350 |
7 | 1222126545 |
oct | 315141542 |
9 | 122183333 |
10 | 53789538 |
11 | 283a9970 |
12 | 16020256 |
13 | b1b423a |
14 | 720285c |
15 | 4ac7993 |
hex | 334c362 |
53789538 has 32 divisors (see below), whose sum is σ = 118451520. Its totient is φ = 16148160.
The previous prime is 53789537. The next prime is 53789563. The reversal of 53789538 is 83598735.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (53789537) 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, 3456 + ... + 10932.
It is an arithmetic number, because the mean of its divisors is an integer number (3701610).
Almost surely, 253789538 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53789538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59225760).
53789538 is an abundant number, since it is smaller than the sum of its proper divisors (64661982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53789538 is a wasteful number, since it uses less digits than its factorization.
53789538 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7602.
The product of its digits is 907200, while the sum is 48.
The square root of 53789538 is about 7334.1351228349. The cubic root of 53789538 is about 377.4846284108.
The spelling of 53789538 in words is "fifty-three million, seven hundred eighty-nine thousand, five hundred thirty-eight".
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