Base | Representation |
---|---|
bin | 100010100111… |
… | …0111011011110 |
3 | 1021011001212101 |
4 | 1011032323132 |
5 | 14121232321 |
6 | 1444555314 |
7 | 310156534 |
oct | 105167336 |
9 | 37131771 |
10 | 18149086 |
11 | a27674a |
12 | 60b2b3a |
13 | 39b5b07 |
14 | 25a6154 |
15 | 18d7791 |
hex | 114eede |
18149086 has 8 divisors (see below), whose sum is σ = 27670104. Its totient is φ = 8925720.
The previous prime is 18149071. The next prime is 18149111. The reversal of 18149086 is 68094181.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74260 + ... + 74503.
It is an arithmetic number, because the mean of its divisors is an integer number (3458763).
Almost surely, 218149086 is an apocalyptic number.
18149086 is a deficient number, since it is larger than the sum of its proper divisors (9521018).
18149086 is a wasteful number, since it uses less digits than its factorization.
18149086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148826.
The product of its (nonzero) digits is 13824, while the sum is 37.
The square root of 18149086 is about 4260.1744095753. The cubic root of 18149086 is about 262.7956988269.
The spelling of 18149086 in words is "eighteen million, one hundred forty-nine thousand, eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •