Base | Representation |
---|---|
bin | 11110101100101000100010 |
3 | 120010211121011 |
4 | 132230220202 |
5 | 4030002023 |
6 | 444251134 |
7 | 125254021 |
oct | 36545042 |
9 | 16124534 |
10 | 8047138 |
11 | 45a6a30 |
12 | 2840aaa |
13 | 1889a28 |
14 | 10d68b8 |
15 | a8e50d |
hex | 7aca22 |
8047138 has 8 divisors (see below), whose sum is σ = 13168080. Its totient is φ = 3657780.
The previous prime is 8047133. The next prime is 8047139. The reversal of 8047138 is 8317408.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (8047133) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 182868 + ... + 182911.
It is an arithmetic number, because the mean of its divisors is an integer number (1646010).
Almost surely, 28047138 is an apocalyptic number.
8047138 is a deficient number, since it is larger than the sum of its proper divisors (5120942).
8047138 is a wasteful number, since it uses less digits than its factorization.
8047138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365792.
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 8047138 is about 2836.7477857575. The cubic root of 8047138 is about 200.3920476577.
The spelling of 8047138 in words is "eight million, forty-seven thousand, one hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •