Base | Representation |
---|---|
bin | 1001001010110… |
… | …1001101101111 |
3 | 2200100212202122 |
4 | 2102231031233 |
5 | 34321130343 |
6 | 3452143155 |
7 | 644614046 |
oct | 222551557 |
9 | 80325678 |
10 | 38458223 |
11 | 1a788261 |
12 | 10a67abb |
13 | 7c76b5b |
14 | 517155d |
15 | 359a068 |
hex | 24ad36f |
38458223 has 4 divisors (see below), whose sum is σ = 40482360. Its totient is φ = 36434088.
The previous prime is 38458219. The next prime is 38458237. The reversal of 38458223 is 32285483.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32285483 = 79 ⋅408677.
It is a cyclic number.
It is not a de Polignac number, because 38458223 - 22 = 38458219 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38458253) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012040 + ... + 1012077.
It is an arithmetic number, because the mean of its divisors is an integer number (10120590).
Almost surely, 238458223 is an apocalyptic number.
38458223 is a deficient number, since it is larger than the sum of its proper divisors (2024137).
38458223 is a wasteful number, since it uses less digits than its factorization.
38458223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2024136.
The product of its digits is 46080, while the sum is 35.
The square root of 38458223 is about 6201.4694226449. The cubic root of 38458223 is about 337.5434910575.
The spelling of 38458223 in words is "thirty-eight million, four hundred fifty-eight thousand, two hundred twenty-three".
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