Base | Representation |
---|---|
bin | 1100101010101… |
… | …1011111000001 |
3 | 10200222100022021 |
4 | 3022223133001 |
5 | 102100144301 |
6 | 5134441441 |
7 | 1213415314 |
oct | 312533701 |
9 | 120870267 |
10 | 53131201 |
11 | 27a9a292 |
12 | 15963281 |
13 | b0136a6 |
14 | 70b097b |
15 | 49e78a1 |
hex | 32ab7c1 |
53131201 has 8 divisors (see below), whose sum is σ = 56763680. Its totient is φ = 49582368.
The previous prime is 53131193. The next prime is 53131231. The reversal of 53131201 is 10213135.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 53131201 - 23 = 53131193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53131231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19596 + ... + 22141.
It is an arithmetic number, because the mean of its divisors is an integer number (7095460).
Almost surely, 253131201 is an apocalyptic number.
It is an amenable number.
53131201 is a deficient number, since it is larger than the sum of its proper divisors (3632479).
53131201 is a wasteful number, since it uses less digits than its factorization.
53131201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41823.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 53131201 is about 7289.1152412347. The cubic root of 53131201 is about 375.9382750080.
Adding to 53131201 its reverse (10213135), we get a palindrome (63344336).
The spelling of 53131201 in words is "fifty-three million, one hundred thirty-one thousand, two hundred one".
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