Base | Representation |
---|---|
bin | 1100100110101… |
… | …1111101100101 |
3 | 10200111010101200 |
4 | 3021223331211 |
5 | 102013333023 |
6 | 5125113113 |
7 | 1211252616 |
oct | 311537545 |
9 | 120433350 |
10 | 52871013 |
11 | 27931858 |
12 | 15858799 |
13 | ac52130 |
14 | 7043c0d |
15 | 4995743 |
hex | 326bf65 |
52871013 has 24 divisors (see below), whose sum is σ = 82860960. Its totient is φ = 32292000.
The previous prime is 52870981. The next prime is 52871023. The reversal of 52871013 is 31017825.
It is not a de Polignac number, because 52871013 - 25 = 52870981 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52871023) 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, 14638 + ... + 17888.
It is an arithmetic number, because the mean of its divisors is an integer number (3452540).
Almost surely, 252871013 is an apocalyptic number.
It is an amenable number.
52871013 is a deficient number, since it is larger than the sum of its proper divisors (29989947).
52871013 is a wasteful number, since it uses less digits than its factorization.
52871013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3409 (or 3406 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 52871013 is about 7271.2456291890. The cubic root of 52871013 is about 375.3236033354.
Adding to 52871013 its reverse (31017825), we get a palindrome (83888838).
The spelling of 52871013 in words is "fifty-two million, eight hundred seventy-one thousand, thirteen".
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