Base | Representation |
---|---|
bin | 1100011001101… |
… | …1101110100111 |
3 | 10121212210101211 |
4 | 3012123232213 |
5 | 101304034322 |
6 | 5054532251 |
7 | 1201101142 |
oct | 306335647 |
9 | 117783354 |
10 | 52018087 |
11 | 273a9a60 |
12 | 15507087 |
13 | aa13b44 |
14 | 6ca1059 |
15 | 4877b77 |
hex | 319bba7 |
52018087 has 4 divisors (see below), whose sum is σ = 56747016. Its totient is φ = 47289160.
The previous prime is 52018073. The next prime is 52018123. The reversal of 52018087 is 78081025.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 52018087 - 215 = 51985319 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52018007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364448 + ... + 2364469.
It is an arithmetic number, because the mean of its divisors is an integer number (14186754).
Almost surely, 252018087 is an apocalyptic number.
52018087 is a deficient number, since it is larger than the sum of its proper divisors (4728929).
52018087 is a wasteful number, since it uses less digits than its factorization.
52018087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4728928.
The product of its (nonzero) digits is 4480, while the sum is 31.
The square root of 52018087 is about 7212.3565497000. The cubic root of 52018087 is about 373.2943862609.
The spelling of 52018087 in words is "fifty-two million, eighteen thousand, eighty-seven".
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