Base | Representation |
---|---|
bin | 1001000111011… |
… | …1111111011111 |
3 | 2122221210201120 |
4 | 2101313333133 |
5 | 34242141343 |
6 | 3443342023 |
7 | 643015350 |
oct | 221677737 |
9 | 78853646 |
10 | 38240223 |
11 | 1a64949a |
12 | 10981913 |
13 | 7bcb868 |
14 | 5115d27 |
15 | 3555683 |
hex | 2477fdf |
38240223 has 16 divisors (see below), whose sum is σ = 58394880. Its totient is φ = 21805056.
The previous prime is 38240219. The next prime is 38240291. The reversal of 38240223 is 32204283.
It is not a de Polignac number, because 38240223 - 22 = 38240219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38240193 and 38240202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38241223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9823 + ... + 13151.
It is an arithmetic number, because the mean of its divisors is an integer number (3649680).
Almost surely, 238240223 is an apocalyptic number.
38240223 is a deficient number, since it is larger than the sum of its proper divisors (20154657).
38240223 is a wasteful number, since it uses less digits than its factorization.
38240223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3886.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 38240223 is about 6183.8679643084. The cubic root of 38240223 is about 336.9044950040.
The spelling of 38240223 in words is "thirty-eight million, two hundred forty thousand, two hundred twenty-three".
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