Base | Representation |
---|---|
bin | 100010011110… |
… | …1011010001101 |
3 | 1021000102102120 |
4 | 1010331122031 |
5 | 14111433300 |
6 | 1443243153 |
7 | 306440400 |
oct | 104753215 |
9 | 37012376 |
10 | 18077325 |
11 | a227842 |
12 | 60794b9 |
13 | 398c256 |
14 | 2587d37 |
15 | 18c13a0 |
hex | 113d68d |
18077325 has 36 divisors (see below), whose sum is σ = 34774560. Its totient is φ = 8262240.
The previous prime is 18077299. The next prime is 18077327. The reversal of 18077325 is 52377081.
It is not a de Polignac number, because 18077325 - 210 = 18076301 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18077327) 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 35 ways as a sum of consecutive naturals, for example, 1216 + ... + 6134.
It is an arithmetic number, because the mean of its divisors is an integer number (965960).
Almost surely, 218077325 is an apocalyptic number.
18077325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
18077325 is a deficient number, since it is larger than the sum of its proper divisors (16697235).
18077325 is a wasteful number, since it uses less digits than its factorization.
18077325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4946 (or 4934 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 33.
The square root of 18077325 is about 4251.7437599178. The cubic root of 18077325 is about 262.4488789339.
The spelling of 18077325 in words is "eighteen million, seventy-seven thousand, three hundred twenty-five".
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