Base | Representation |
---|---|
bin | 100010101100… |
… | …0111101000110 |
3 | 1021020011012021 |
4 | 1011120331012 |
5 | 14124041100 |
6 | 1445513354 |
7 | 310420336 |
oct | 105307506 |
9 | 37204167 |
10 | 18190150 |
11 | a2a4590 |
12 | 611285a |
13 | 39cb704 |
14 | 25b70c6 |
15 | 18e4a1a |
hex | 1158f46 |
18190150 has 24 divisors (see below), whose sum is σ = 36910584. Its totient is φ = 6614400.
The previous prime is 18190127. The next prime is 18190223. The reversal of 18190150 is 5109181.
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15987 + ... + 17086.
It is an arithmetic number, because the mean of its divisors is an integer number (1537941).
Almost surely, 218190150 is an apocalyptic number.
18190150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18190150 is an abundant number, since it is smaller than the sum of its proper divisors (18720434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18190150 is a wasteful number, since it uses less digits than its factorization.
18190150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33096 (or 33091 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 25.
The square root of 18190150 is about 4264.9912074939. The cubic root of 18190150 is about 262.9937494599.
The spelling of 18190150 in words is "eighteen million, one hundred ninety thousand, one hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •