Base | Representation |
---|---|
bin | 101100000001… |
… | …1000011101111 |
3 | 1121102122110020 |
4 | 1120003003233 |
5 | 21402044244 |
6 | 2142413223 |
7 | 400121061 |
oct | 130030357 |
9 | 47378406 |
10 | 23081199 |
11 | 12035279 |
12 | 7891213 |
13 | 4a21a1b |
14 | 30cb731 |
15 | 205dd19 |
hex | 16030ef |
23081199 has 8 divisors (see below), whose sum is σ = 30802992. Its totient is φ = 15373440.
The previous prime is 23081173. The next prime is 23081203. The reversal of 23081199 is 99118032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23081199 - 223 = 14692591 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23081099) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257 + ... + 6909.
It is an arithmetic number, because the mean of its divisors is an integer number (3850374).
Almost surely, 223081199 is an apocalyptic number.
23081199 is a deficient number, since it is larger than the sum of its proper divisors (7721793).
23081199 is a wasteful number, since it uses less digits than its factorization.
23081199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7017.
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 23081199 is about 4804.2896457229. The cubic root of 23081199 is about 284.7209703643.
The spelling of 23081199 in words is "twenty-three million, eighty-one thousand, one hundred ninety-nine".
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