Base | Representation |
---|---|
bin | 100100000010… |
… | …0010100001001 |
3 | 1022112211000020 |
4 | 1020010110021 |
5 | 14314021131 |
6 | 1512531053 |
7 | 316402560 |
oct | 110042411 |
9 | 38484006 |
10 | 18892041 |
11 | a733963 |
12 | 63b0a89 |
13 | 3bb602c |
14 | 271abd7 |
15 | 19d2996 |
hex | 1204509 |
18892041 has 16 divisors (see below), whose sum is σ = 28852608. Its totient is φ = 10771200.
The previous prime is 18891991. The next prime is 18892043. The reversal of 18892041 is 14029881.
It is not a de Polignac number, because 18892041 - 210 = 18891017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18891993 and 18892011.
It is not an unprimeable number, because it can be changed into a prime (18892043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13201 + ... + 14561.
It is an arithmetic number, because the mean of its divisors is an integer number (1803288).
Almost surely, 218892041 is an apocalyptic number.
It is an amenable number.
18892041 is a deficient number, since it is larger than the sum of its proper divisors (9960567).
18892041 is a wasteful number, since it uses less digits than its factorization.
18892041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2032.
The product of its (nonzero) digits is 4608, while the sum is 33.
The square root of 18892041 is about 4346.4975555037. The cubic root of 18892041 is about 266.3338046489. Note that the first 3 decimals are identical.
It can be divided in two parts, 188 and 92041, that added together give a palindrome (92229).
The spelling of 18892041 in words is "eighteen million, eight hundred ninety-two thousand, forty-one".
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