Base | Representation |
---|---|
bin | 1100100110010… |
… | …1000010001101 |
3 | 10200102200110201 |
4 | 3021211002031 |
5 | 102011431022 |
6 | 5124333501 |
7 | 1211104111 |
oct | 311450215 |
9 | 120380421 |
10 | 52842637 |
11 | 27912501 |
12 | 15844291 |
13 | ac42243 |
14 | 7037741 |
15 | 498c127 |
hex | 326508d |
52842637 has 2 divisors, whose sum is σ = 52842638. Its totient is φ = 52842636.
The previous prime is 52842619. The next prime is 52842679. The reversal of 52842637 is 73624825.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41139396 + 11703241 = 6414^2 + 3421^2 .
It is a cyclic number.
It is not a de Polignac number, because 52842637 - 27 = 52842509 is a prime.
It is a super-2 number, since 2×528426372 = 5584688570227538, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 52842596 and 52842605.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (52842607) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26421318 + 26421319.
It is an arithmetic number, because the mean of its divisors is an integer number (26421319).
Almost surely, 252842637 is an apocalyptic number.
It is an amenable number.
52842637 is a deficient number, since it is larger than the sum of its proper divisors (1).
52842637 is an equidigital number, since it uses as much as digits as its factorization.
52842637 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 80640, while the sum is 37.
The square root of 52842637 is about 7269.2941197891. The cubic root of 52842637 is about 375.2564456254.
It can be divided in two parts, 5284 and 2637, that added together give a square (7921 = 892).
The spelling of 52842637 in words is "fifty-two million, eight hundred forty-two thousand, six hundred thirty-seven".
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