Base | Representation |
---|---|
bin | 111010111000… |
… | …0001001010100 |
3 | 2011002021000012 |
4 | 1311300021110 |
5 | 30400234202 |
6 | 3021335352 |
7 | 523242215 |
oct | 165601124 |
9 | 64067005 |
10 | 30868052 |
11 | 16473696 |
12 | a407558 |
13 | 651a127 |
14 | 415740c |
15 | 2a9b152 |
hex | 1d70254 |
30868052 has 6 divisors (see below), whose sum is σ = 54019098. Its totient is φ = 15434024.
The previous prime is 30868043. The next prime is 30868069. The reversal of 30868052 is 25086803.
It can be written as a sum of positive squares in only one way, i.e., 19061956 + 11806096 = 4366^2 + 3436^2 .
It is a congruent number.
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 as a sum of consecutive naturals, namely, 3858503 + ... + 3858510.
It is an arithmetic number, because the mean of its divisors is an integer number (9003183).
Almost surely, 230868052 is an apocalyptic number.
It is an amenable number.
30868052 is a deficient number, since it is larger than the sum of its proper divisors (23151046).
30868052 is a wasteful number, since it uses less digits than its factorization.
30868052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7717017 (or 7717015 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 30868052 is about 5555.9024469478. The cubic root of 30868052 is about 313.6917336497.
The spelling of 30868052 in words is "thirty million, eight hundred sixty-eight thousand, fifty-two".
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