Base | Representation |
---|---|
bin | 11010101110101110100011 |
3 | 111011222222200 |
4 | 122232232203 |
5 | 3243212024 |
6 | 410104243 |
7 | 113362656 |
oct | 32565643 |
9 | 14158880 |
10 | 7007139 |
11 | 3a56627 |
12 | 241b083 |
13 | 15b4549 |
14 | d0589d |
15 | 9362c9 |
hex | 6aeba3 |
7007139 has 12 divisors (see below), whose sum is σ = 10197096. Its totient is φ = 4636512.
The previous prime is 7007137. The next prime is 7007149. The reversal of 7007139 is 9317007.
It is not a de Polignac number, because 7007139 - 21 = 7007137 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7007137) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1609 + ... + 4074.
It is an arithmetic number, because the mean of its divisors is an integer number (849758).
Almost surely, 27007139 is an apocalyptic number.
7007139 is a deficient number, since it is larger than the sum of its proper divisors (3189957).
7007139 is a wasteful number, since it uses less digits than its factorization.
7007139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5826 (or 5823 counting only the distinct ones).
The product of its (nonzero) digits is 1323, while the sum is 27.
The square root of 7007139 is about 2647.1001114427. The cubic root of 7007139 is about 191.3581267335.
The spelling of 7007139 in words is "seven million, seven thousand, one hundred thirty-nine".
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