Base | Representation |
---|---|
bin | 100010110100… |
… | …0110010100110 |
3 | 1021100110011122 |
4 | 1011220302212 |
5 | 14133130024 |
6 | 1451133542 |
7 | 311110421 |
oct | 105506246 |
9 | 37313148 |
10 | 18255014 |
11 | a339298 |
12 | 61442b2 |
13 | 3a220ab |
14 | 25d29b8 |
15 | 1908d5e |
hex | 1168ca6 |
18255014 has 4 divisors (see below), whose sum is σ = 27382524. Its totient is φ = 9127506.
The previous prime is 18254983. The next prime is 18255019. The reversal of 18255014 is 41055281.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41055281 = 577 ⋅71153.
It is a super-2 number, since 2×182550142 = 666491072280392, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18255019) 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 as a sum of consecutive naturals, namely, 4563752 + ... + 4563755.
It is an arithmetic number, because the mean of its divisors is an integer number (6845631).
Almost surely, 218255014 is an apocalyptic number.
18255014 is a deficient number, since it is larger than the sum of its proper divisors (9127510).
18255014 is an equidigital number, since it uses as much as digits as its factorization.
18255014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9127509.
The product of its (nonzero) digits is 1600, while the sum is 26.
The square root of 18255014 is about 4272.5886766690. The cubic root of 18255014 is about 263.3059805305.
The spelling of 18255014 in words is "eighteen million, two hundred fifty-five thousand, fourteen".
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