Base | Representation |
---|---|
bin | 1100110010001… |
… | …1000111110111 |
3 | 10201220020111211 |
4 | 3030203013313 |
5 | 102211334424 |
6 | 5153142251 |
7 | 1220526100 |
oct | 314430767 |
9 | 121806454 |
10 | 53621239 |
11 | 282a4481 |
12 | 15b5a987 |
13 | b155759 |
14 | 719b3a7 |
15 | 4a92b94 |
hex | 33231f7 |
53621239 has 12 divisors (see below), whose sum is σ = 63310584. Its totient is φ = 45272304.
The previous prime is 53621221. The next prime is 53621297. The reversal of 53621239 is 93212635.
It is not a de Polignac number, because 53621239 - 25 = 53621207 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 53621239.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53621209) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4884 + ... + 11449.
It is an arithmetic number, because the mean of its divisors is an integer number (5275882).
Almost surely, 253621239 is an apocalyptic number.
53621239 is a deficient number, since it is larger than the sum of its proper divisors (9689345).
53621239 is a wasteful number, since it uses less digits than its factorization.
53621239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16414 (or 16407 counting only the distinct ones).
The product of its digits is 9720, while the sum is 31.
The square root of 53621239 is about 7322.6524565898. The cubic root of 53621239 is about 377.0905204237.
The spelling of 53621239 in words is "fifty-three million, six hundred twenty-one thousand, two hundred thirty-nine".
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