Base | Representation |
---|---|
bin | 1100101011111… |
… | …0000100010001 |
3 | 10201010012201020 |
4 | 3022332010101 |
5 | 102110113223 |
6 | 5140230053 |
7 | 1214153235 |
oct | 312760421 |
9 | 121105636 |
10 | 53207313 |
11 | 28041495 |
12 | 1599b329 |
13 | b03c223 |
14 | 70d05c5 |
15 | 4a101e3 |
hex | 32be111 |
53207313 has 16 divisors (see below), whose sum is σ = 72770880. Its totient is φ = 34569216.
The previous prime is 53207309. The next prime is 53207317. The reversal of 53207313 is 31370235.
It is an interprime number because it is at equal distance from previous prime (53207309) and next prime (53207317).
It is not a de Polignac number, because 53207313 - 22 = 53207309 is a prime.
It is not an unprimeable number, because it can be changed into a prime (53207317) 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, 18133 + ... + 20861.
It is an arithmetic number, because the mean of its divisors is an integer number (4548180).
Almost surely, 253207313 is an apocalyptic number.
It is an amenable number.
53207313 is a deficient number, since it is larger than the sum of its proper divisors (19563567).
53207313 is a wasteful number, since it uses less digits than its factorization.
53207313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2896.
The product of its (nonzero) digits is 1890, while the sum is 24.
The square root of 53207313 is about 7294.3343082148. The cubic root of 53207313 is about 376.1177035492.
Adding to 53207313 its reverse (31370235), we get a palindrome (84577548).
The spelling of 53207313 in words is "fifty-three million, two hundred seven thousand, three hundred thirteen".
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