Base | Representation |
---|---|
bin | 11011001110101101010010 |
3 | 111102122200012 |
4 | 123032231102 |
5 | 3311410010 |
6 | 412554522 |
7 | 114446606 |
oct | 33165522 |
9 | 14378605 |
10 | 7138130 |
11 | 4035a8a |
12 | 2482a42 |
13 | 162c05c |
14 | d3b506 |
15 | 960005 |
hex | 6ceb52 |
7138130 has 32 divisors (see below), whose sum is σ = 13737600. Its totient is φ = 2661120.
The previous prime is 7138123. The next prime is 7138169. The reversal of 7138130 is 318317.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 7138096 and 7138105.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33725 + ... + 33935.
It is an arithmetic number, because the mean of its divisors is an integer number (429300).
Almost surely, 27138130 is an apocalyptic number.
7138130 is a deficient number, since it is larger than the sum of its proper divisors (6599470).
7138130 is a wasteful number, since it uses less digits than its factorization.
7138130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 434.
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 7138130 is about 2671.7279053077. The cubic root of 7138130 is about 192.5431847792.
The spelling of 7138130 in words is "seven million, one hundred thirty-eight thousand, one hundred thirty".
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