Base | Representation |
---|---|
bin | 1100011111100… |
… | …1001011111101 |
3 | 10122121020111211 |
4 | 3013321023331 |
5 | 101403312033 |
6 | 5111044421 |
7 | 1204254166 |
oct | 307711375 |
9 | 118536454 |
10 | 52400893 |
11 | 27640626 |
12 | 15670711 |
13 | ab1915c |
14 | 6d6076d |
15 | 49012cd |
hex | 31f92fd |
52400893 has 2 divisors, whose sum is σ = 52400894. Its totient is φ = 52400892.
The previous prime is 52400869. The next prime is 52400963. The reversal of 52400893 is 39800425.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 43322724 + 9078169 = 6582^2 + 3013^2 .
It is a cyclic number.
It is not a de Polignac number, because 52400893 - 25 = 52400861 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (52400813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26200446 + 26200447.
It is an arithmetic number, because the mean of its divisors is an integer number (26200447).
Almost surely, 252400893 is an apocalyptic number.
It is an amenable number.
52400893 is a deficient number, since it is larger than the sum of its proper divisors (1).
52400893 is an equidigital number, since it uses as much as digits as its factorization.
52400893 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 52400893 is about 7238.8461097056. The cubic root of 52400893 is about 374.2078519972.
The spelling of 52400893 in words is "fifty-two million, four hundred thousand, eight hundred ninety-three".
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