Base | Representation |
---|---|
bin | 1100101010011… |
… | …0111010110101 |
3 | 10200221101122200 |
4 | 3022212322311 |
5 | 102044100001 |
6 | 5134215113 |
7 | 1213306641 |
oct | 312467265 |
9 | 120841580 |
10 | 53112501 |
11 | 27a87232 |
12 | 15954499 |
13 | b008020 |
14 | 70a7c21 |
15 | 49e2086 |
hex | 32a6eb5 |
53112501 has 24 divisors (see below), whose sum is σ = 84859320. Its totient is φ = 31798656.
The previous prime is 53112481. The next prime is 53112511. The reversal of 53112501 is 10521135.
53112501 is a `hidden beast` number, since 53 + 112 + 501 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 22043025 + 31069476 = 4695^2 + 5574^2 .
It is not a de Polignac number, because 53112501 - 25 = 53112469 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53112511) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1806 + ... + 10463.
It is an arithmetic number, because the mean of its divisors is an integer number (3535805).
Almost surely, 253112501 is an apocalyptic number.
It is an amenable number.
53112501 is a deficient number, since it is larger than the sum of its proper divisors (31746819).
53112501 is a wasteful number, since it uses less digits than its factorization.
53112501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12325 (or 12322 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 18.
The square root of 53112501 is about 7287.8323937917. The cubic root of 53112501 is about 375.8941648898.
Adding to 53112501 its reverse (10521135), we get a palindrome (63633636).
The spelling of 53112501 in words is "fifty-three million, one hundred twelve thousand, five hundred one".
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