Base | Representation |
---|---|
bin | 100010011110… |
… | …0110111000101 |
3 | 1021000022100022 |
4 | 1010330313011 |
5 | 14111400302 |
6 | 1443224525 |
7 | 306431006 |
oct | 104746705 |
9 | 37008308 |
10 | 18075077 |
11 | a226089 |
12 | 6078145 |
13 | 398b217 |
14 | 25871ad |
15 | 18c08a2 |
hex | 113cdc5 |
18075077 has 8 divisors (see below), whose sum is σ = 18853632. Its totient is φ = 17308800.
The previous prime is 18075073. The next prime is 18075089. The reversal of 18075077 is 77057081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18075077 - 22 = 18075073 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18075073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 6012.
It is an arithmetic number, because the mean of its divisors is an integer number (2356704).
Almost surely, 218075077 is an apocalyptic number.
It is an amenable number.
18075077 is a deficient number, since it is larger than the sum of its proper divisors (778555).
18075077 is an equidigital number, since it uses as much as digits as its factorization.
18075077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6139.
The product of its (nonzero) digits is 13720, while the sum is 35.
The square root of 18075077 is about 4251.4793895772. The cubic root of 18075077 is about 262.4379995673.
It can be divided in two parts, 180 and 75077, that added together give a palindrome (75257).
The spelling of 18075077 in words is "eighteen million, seventy-five thousand, seventy-seven".
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