Base | Representation |
---|---|
bin | 1100101000110… |
… | …1001110011101 |
3 | 10200202001021220 |
4 | 3022031032131 |
5 | 102032213021 |
6 | 5132043553 |
7 | 1212361056 |
oct | 312151635 |
9 | 120661256 |
10 | 53007261 |
11 | 27a1515a |
12 | 159035b9 |
13 | ac9c158 |
14 | 707b72d |
15 | 49c0cc6 |
hex | 328d39d |
53007261 has 16 divisors (see below), whose sum is σ = 73694016. Its totient is φ = 33860736.
The previous prime is 53007247. The next prime is 53007287. The reversal of 53007261 is 16270035.
It is not a de Polignac number, because 53007261 - 211 = 53005213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53007161) 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, 2961 + ... + 10713.
It is an arithmetic number, because the mean of its divisors is an integer number (4605876).
Almost surely, 253007261 is an apocalyptic number.
It is an amenable number.
53007261 is a deficient number, since it is larger than the sum of its proper divisors (20686755).
53007261 is a wasteful number, since it uses less digits than its factorization.
53007261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7852.
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 53007261 is about 7280.6085597291. The cubic root of 53007261 is about 375.6457283438.
Adding to 53007261 its reverse (16270035), we get a palindrome (69277296).
It can be divided in two parts, 5300 and 7261, that added together give a triangular number (12561 = T158).
The spelling of 53007261 in words is "fifty-three million, seven thousand, two hundred sixty-one".
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