Base | Representation |
---|---|
bin | 1100101110110… |
… | …1011110000000 |
3 | 10201111002001022 |
4 | 3023231132000 |
5 | 102132321342 |
6 | 5144325012 |
7 | 1215622265 |
oct | 313553600 |
9 | 121432038 |
10 | 53401472 |
11 | 28164353 |
12 | 15a73768 |
13 | b0a9707 |
14 | 714126c |
15 | 4a4c9d2 |
hex | 32ed780 |
53401472 has 32 divisors (see below), whose sum is σ = 107752800. Its totient is φ = 26357760.
The previous prime is 53401463. The next prime is 53401477. The reversal of 53401472 is 27410435.
53401472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53401477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7472 + ... + 12752.
It is an arithmetic number, because the mean of its divisors is an integer number (3367275).
Almost surely, 253401472 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 53401472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53876400).
53401472 is an abundant number, since it is smaller than the sum of its proper divisors (54351328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53401472 is an equidigital number, since it uses as much as digits as its factorization.
53401472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5374 (or 5362 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 26.
The square root of 53401472 is about 7307.6310799054. The cubic root of 53401472 is about 376.5746456841.
The spelling of 53401472 in words is "fifty-three million, four hundred one thousand, four hundred seventy-two".
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