Base | Representation |
---|---|
bin | 1100011011100… |
… | …1011010100011 |
3 | 10122002222012101 |
4 | 3012321122203 |
5 | 101321432213 |
6 | 5101311231 |
7 | 1202115511 |
oct | 306713243 |
9 | 118088171 |
10 | 52139683 |
11 | 27482352 |
12 | 15565517 |
13 | aa572ab |
14 | 6cd34b1 |
15 | 489dbdd |
hex | 31b96a3 |
52139683 has 2 divisors, whose sum is σ = 52139684. Its totient is φ = 52139682.
The previous prime is 52139653. The next prime is 52139699. The reversal of 52139683 is 38693125.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 52139683 - 217 = 52008611 is a prime.
It is not a weakly prime, because it can be changed into another prime (52139653) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26069841 + 26069842.
It is an arithmetic number, because the mean of its divisors is an integer number (26069842).
Almost surely, 252139683 is an apocalyptic number.
52139683 is a deficient number, since it is larger than the sum of its proper divisors (1).
52139683 is an equidigital number, since it uses as much as digits as its factorization.
52139683 is an evil number, because the sum of its binary digits is even.
The product of its digits is 38880, while the sum is 37.
The square root of 52139683 is about 7220.7813289145. The cubic root of 52139683 is about 373.5850273587.
It can be divided in two parts, 521 and 39683, that added together give a palindrome (40204).
The spelling of 52139683 in words is "fifty-two million, one hundred thirty-nine thousand, six hundred eighty-three".
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