Base | Representation |
---|---|
bin | 1100100101110… |
… | …0010100000001 |
3 | 10200100212110121 |
4 | 3021130110001 |
5 | 102004310123 |
6 | 5123500241 |
7 | 1210565005 |
oct | 311342401 |
9 | 120325417 |
10 | 52806913 |
11 | 27898685 |
12 | 15827681 |
13 | ac2bbc3 |
14 | 7028705 |
15 | 498175d |
hex | 325c501 |
52806913 has 8 divisors (see below), whose sum is σ = 55998432. Its totient is φ = 49624896.
The previous prime is 52806899. The next prime is 52806917. The reversal of 52806913 is 31960825.
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 52806913 - 217 = 52675841 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (52806917) 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, 11406 + ... + 15352.
It is an arithmetic number, because the mean of its divisors is an integer number (6999804).
Almost surely, 252806913 is an apocalyptic number.
It is an amenable number.
52806913 is a deficient number, since it is larger than the sum of its proper divisors (3191519).
52806913 is a wasteful number, since it uses less digits than its factorization.
52806913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4751.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 52806913 is about 7266.8365194216. The cubic root of 52806913 is about 375.1718631487.
The spelling of 52806913 in words is "fifty-two million, eight hundred six thousand, nine hundred thirteen".
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