Base | Representation |
---|---|
bin | 1100110110010… |
… | …0010101111100 |
3 | 10202101210221221 |
4 | 3031210111330 |
5 | 102243412010 |
6 | 5203003124 |
7 | 1223020660 |
oct | 315442574 |
9 | 122353857 |
10 | 53888380 |
11 | 28467157 |
12 | 160694a4 |
13 | b21a220 |
14 | 722a8a0 |
15 | 4ae6dda |
hex | 336457c |
53888380 has 96 divisors (see below), whose sum is σ = 144224640. Its totient is φ = 16450560.
The previous prime is 53888377. The next prime is 53888431. The reversal of 53888380 is 8388835.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52270 + ... + 53290.
It is an arithmetic number, because the mean of its divisors is an integer number (1502340).
Almost surely, 253888380 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 53888380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72112320).
53888380 is an abundant number, since it is smaller than the sum of its proper divisors (90336260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53888380 is a wasteful number, since it uses less digits than its factorization.
53888380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1079 (or 1077 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 43.
The square root of 53888380 is about 7340.8705205854. The cubic root of 53888380 is about 377.7157049750.
The spelling of 53888380 in words is "fifty-three million, eight hundred eighty-eight thousand, three hundred eighty".
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