Base | Representation |
---|---|
bin | 11101001000111010001100 |
3 | 112101002021122 |
4 | 131020322030 |
5 | 3423414133 |
6 | 431420112 |
7 | 121633112 |
oct | 35107214 |
9 | 15332248 |
10 | 7638668 |
11 | 4348054 |
12 | 2684638 |
13 | 1775b2b |
14 | 102bab2 |
15 | a0d498 |
hex | 748e8c |
7638668 has 24 divisors (see below), whose sum is σ = 14138880. Its totient is φ = 3603600.
The previous prime is 7638643. The next prime is 7638689. The reversal of 7638668 is 8668367.
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 7 ways as a sum of consecutive naturals, for example, 6743 + ... + 7793.
It is an arithmetic number, because the mean of its divisors is an integer number (589120).
Almost surely, 27638668 is an apocalyptic number.
It is an amenable number.
7638668 is a deficient number, since it is larger than the sum of its proper divisors (6500212).
7638668 is a wasteful number, since it uses less digits than its factorization.
7638668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1157 (or 1155 counting only the distinct ones).
The product of its digits is 290304, while the sum is 44.
The square root of 7638668 is about 2763.8140313704. The cubic root of 7638668 is about 196.9423934220.
The spelling of 7638668 in words is "seven million, six hundred thirty-eight thousand, six hundred sixty-eight".
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