Base | Representation |
---|---|
bin | 1100101010010… |
… | …0110011010111 |
3 | 10200220221202120 |
4 | 3022210303113 |
5 | 102043310311 |
6 | 5134111023 |
7 | 1213242444 |
oct | 312446327 |
9 | 120827676 |
10 | 53103831 |
11 | 27a80770 |
12 | 1594b473 |
13 | b0040b1 |
14 | 70a49cb |
15 | 49de706 |
hex | 32a4cd7 |
53103831 has 16 divisors (see below), whose sum is σ = 77760768. Its totient is φ = 31968000.
The previous prime is 53103821. The next prime is 53103833. The reversal of 53103831 is 13830135.
It is not a de Polignac number, because 53103831 - 29 = 53103319 is a prime.
It is a super-2 number, since 2×531038312 = 5640033733753122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53103833) 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, 346 + ... + 10311.
It is an arithmetic number, because the mean of its divisors is an integer number (4860048).
Almost surely, 253103831 is an apocalyptic number.
53103831 is a deficient number, since it is larger than the sum of its proper divisors (24656937).
53103831 is a wasteful number, since it uses less digits than its factorization.
53103831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10822.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 53103831 is about 7287.2375424436. The cubic root of 53103831 is about 375.8737103220.
Adding to 53103831 its reverse (13830135), we get a palindrome (66933966).
The spelling of 53103831 in words is "fifty-three million, one hundred three thousand, eight hundred thirty-one".
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