Base | Representation |
---|---|
bin | 1100011001101… |
… | …0111110100100 |
3 | 10121212122011221 |
4 | 3012122332210 |
5 | 101303440022 |
6 | 5054510124 |
7 | 1201056160 |
oct | 306327644 |
9 | 117778157 |
10 | 52015012 |
11 | 273a7715 |
12 | 15505344 |
13 | aa1261a |
14 | 6c9dca0 |
15 | 4876cc7 |
hex | 319afa4 |
52015012 has 12 divisors (see below), whose sum is σ = 104030080. Its totient is φ = 22292136.
The previous prime is 52015003. The next prime is 52015013. The reversal of 52015012 is 21051025.
52015012 is an admirable number.
It is a super-2 number, since 2×520150122 = 5411122946720288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (52015013) 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, 928812 + ... + 928867.
Almost surely, 252015012 is an apocalyptic number.
It is an amenable number.
52015012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52015012 is a wasteful number, since it uses less digits than its factorization.
52015012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1857690 (or 1857688 counting only the distinct ones).
The product of its (nonzero) digits is 100, while the sum is 16.
The square root of 52015012 is about 7212.1433707324. The cubic root of 52015012 is about 373.2870304678.
Adding to 52015012 its reverse (21051025), we get a palindrome (73066037).
The spelling of 52015012 in words is "fifty-two million, fifteen thousand, twelve".
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