Base | Representation |
---|---|
bin | 11110100001001010001010 |
3 | 120001110010102 |
4 | 132201022022 |
5 | 4022001023 |
6 | 443245402 |
7 | 125000006 |
oct | 36411212 |
9 | 16043112 |
10 | 8000138 |
11 | 4574693 |
12 | 2819862 |
13 | 1871513 |
14 | 10c3706 |
15 | a80628 |
hex | 7a128a |
8000138 has 16 divisors (see below), whose sum is σ = 12410496. Its totient is φ = 3865680.
The previous prime is 8000119. The next prime is 8000141. The reversal of 8000138 is 8310008.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6995 + ... + 8057.
It is an arithmetic number, because the mean of its divisors is an integer number (775656).
Almost surely, 28000138 is an apocalyptic number.
8000138 is a deficient number, since it is larger than the sum of its proper divisors (4410358).
8000138 is a wasteful number, since it uses less digits than its factorization.
8000138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1189.
The product of its (nonzero) digits is 192, while the sum is 20.
The square root of 8000138 is about 2828.4515198249. The cubic root of 8000138 is about 200.0011499934.
The spelling of 8000138 in words is "eight million, one hundred thirty-eight", and thus it is an aban number.
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