Base | Representation |
---|---|
bin | 100011001100… |
… | …1001010010101 |
3 | 1021201111221200 |
4 | 1012121022111 |
5 | 14211000031 |
6 | 1455303113 |
7 | 312564150 |
oct | 106311225 |
9 | 37644850 |
10 | 18453141 |
11 | a464133 |
12 | 621aa99 |
13 | 3a91325 |
14 | 2644c97 |
15 | 19478e6 |
hex | 1199295 |
18453141 has 24 divisors (see below), whose sum is σ = 30838080. Its totient is φ = 10414656.
The previous prime is 18453103. The next prime is 18453151. The reversal of 18453141 is 14135481.
It is a happy number.
It is not a de Polignac number, because 18453141 - 211 = 18451093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18453101) 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 in 23 ways as a sum of consecutive naturals, for example, 3465 + ... + 6993.
It is an arithmetic number, because the mean of its divisors is an integer number (1284920).
Almost surely, 218453141 is an apocalyptic number.
It is an amenable number.
18453141 is a deficient number, since it is larger than the sum of its proper divisors (12384939).
18453141 is a wasteful number, since it uses less digits than its factorization.
18453141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3625 (or 3622 counting only the distinct ones).
The product of its digits is 1920, while the sum is 27.
The square root of 18453141 is about 4295.7119316826. The cubic root of 18453141 is about 264.2551338647.
The spelling of 18453141 in words is "eighteen million, four hundred fifty-three thousand, one hundred forty-one".
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