Base | Representation |
---|---|
bin | 1100110101000… |
… | …0100100010100 |
3 | 10202020200211221 |
4 | 3031100210110 |
5 | 102233314010 |
6 | 5201140124 |
7 | 1222232554 |
oct | 315204424 |
9 | 122220757 |
10 | 53807380 |
11 | 28411310 |
12 | 1602a644 |
13 | b1bc3b3 |
14 | 7209164 |
15 | 4accdda |
hex | 3350914 |
53807380 has 48 divisors (see below), whose sum is σ = 130527936. Its totient is φ = 18414080.
The previous prime is 53807359. The next prime is 53807381. The reversal of 53807380 is 8370835.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53807381) 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, 3454 + ... + 10933.
It is an arithmetic number, because the mean of its divisors is an integer number (2719332).
Almost surely, 253807380 is an apocalyptic number.
It is an amenable number.
53807380 is an abundant number, since it is smaller than the sum of its proper divisors (76720556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53807380 is a wasteful number, since it uses less digits than its factorization.
53807380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14424 (or 14422 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 53807380 is about 7335.3513889929. The cubic root of 53807380 is about 377.5263610380.
The spelling of 53807380 in words is "fifty-three million, eight hundred seven thousand, three hundred eighty".
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