Base | Representation |
---|---|
bin | 1100101011100… |
… | …0010011000000 |
3 | 10201002000021221 |
4 | 3022320103000 |
5 | 102103334210 |
6 | 5135524424 |
7 | 1214024314 |
oct | 312702300 |
9 | 121060257 |
10 | 53183680 |
11 | 28025760 |
12 | 15989714 |
13 | b031544 |
14 | 70c5b44 |
15 | 4a081da |
hex | 32b84c0 |
53183680 has 112 divisors (see below), whose sum is σ = 143195040. Its totient is φ = 18636800.
The previous prime is 53183677. The next prime is 53183681. The reversal of 53183680 is 8638135.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53183681) 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, 101820 + ... + 102340.
Almost surely, 253183680 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 53183680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71597520).
53183680 is an abundant number, since it is smaller than the sum of its proper divisors (90011360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53183680 is a wasteful number, since it uses less digits than its factorization.
53183680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 578 (or 568 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 53183680 is about 7292.7141723778. The cubic root of 53183680 is about 376.0620087863.
It can be divided in two parts, 5318 and 3680, that added together give a palindrome (8998).
The spelling of 53183680 in words is "fifty-three million, one hundred eighty-three thousand, six hundred eighty".
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