Base | Representation |
---|---|
bin | 1100100101110… |
… | …0101100100111 |
3 | 10200100221121220 |
4 | 3021130230213 |
5 | 102004332422 |
6 | 5123511423 |
7 | 1210602414 |
oct | 311345447 |
9 | 120327556 |
10 | 52808487 |
11 | 27899886 |
12 | 15828573 |
13 | ac2c834 |
14 | 702910b |
15 | 4981e5c |
hex | 325cb27 |
52808487 has 8 divisors (see below), whose sum is σ = 70503936. Its totient is φ = 35159352.
The previous prime is 52808479. The next prime is 52808489. The reversal of 52808487 is 78480825.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52808487 - 23 = 52808479 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52808489) 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, 8823 + ... + 13544.
It is an arithmetic number, because the mean of its divisors is an integer number (8812992).
Almost surely, 252808487 is an apocalyptic number.
52808487 is a deficient number, since it is larger than the sum of its proper divisors (17695449).
52808487 is a wasteful number, since it uses less digits than its factorization.
52808487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23157.
The product of its (nonzero) digits is 143360, while the sum is 42.
The square root of 52808487 is about 7266.9448188355. The cubic root of 52808487 is about 375.1755906572.
The spelling of 52808487 in words is "fifty-two million, eight hundred eight thousand, four hundred eighty-seven".
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