Base | Representation |
---|---|
bin | 1100011010000… |
… | …1101010010001 |
3 | 10121221000201202 |
4 | 3012201222101 |
5 | 101310324020 |
6 | 5055240545 |
7 | 1201232033 |
oct | 306415221 |
9 | 117830652 |
10 | 52042385 |
11 | 2741623a |
12 | 15519155 |
13 | aa21c15 |
14 | 6ca9c53 |
15 | 487ee75 |
hex | 31a1a91 |
52042385 has 16 divisors (see below), whose sum is σ = 64843200. Its totient is φ = 40049856.
The previous prime is 52042373. The next prime is 52042391. The reversal of 52042385 is 58324025.
It is a cyclic number.
It is not a de Polignac number, because 52042385 - 212 = 52038289 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 54482 + ... + 55428.
It is an arithmetic number, because the mean of its divisors is an integer number (4052700).
Almost surely, 252042385 is an apocalyptic number.
It is an amenable number.
52042385 is a deficient number, since it is larger than the sum of its proper divisors (12800815).
52042385 is a wasteful number, since it uses less digits than its factorization.
52042385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1360.
The product of its (nonzero) digits is 9600, while the sum is 29.
The square root of 52042385 is about 7214.0408232834. The cubic root of 52042385 is about 373.3524999903.
52042385 divided by its sum of digits (29) gives a triangular number (1794565 = T1894).
The spelling of 52042385 in words is "fifty-two million, forty-two thousand, three hundred eighty-five".
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