Base | Representation |
---|---|
bin | 100011100111… |
… | …1001010100101 |
3 | 1022010202101021 |
4 | 1013033022211 |
5 | 14240034331 |
6 | 1504131141 |
7 | 314505100 |
oct | 107171245 |
9 | 38122337 |
10 | 18674341 |
11 | a5a5344 |
12 | 6306ab1 |
13 | 3b3ac0a |
14 | 26a1737 |
15 | 198d211 |
hex | 11cf2a5 |
18674341 has 12 divisors (see below), whose sum is σ = 22230912. Its totient is φ = 15632568.
The previous prime is 18674329. The next prime is 18674353. The reversal of 18674341 is 14347681.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (18674329) and next prime (18674353).
It is not a de Polignac number, because 18674341 - 25 = 18674309 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18674297 and 18674306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18674141) 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 11 ways as a sum of consecutive naturals, for example, 2325 + ... + 6538.
It is an arithmetic number, because the mean of its divisors is an integer number (1852576).
Almost surely, 218674341 is an apocalyptic number.
It is an amenable number.
18674341 is a deficient number, since it is larger than the sum of its proper divisors (3556571).
18674341 is an equidigital number, since it uses as much as digits as its factorization.
18674341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8920 (or 8913 counting only the distinct ones).
The product of its digits is 16128, while the sum is 34.
The square root of 18674341 is about 4321.3818391806. The cubic root of 18674341 is about 265.3068286544.
The spelling of 18674341 in words is "eighteen million, six hundred seventy-four thousand, three hundred forty-one".
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