Base | Representation |
---|---|
bin | 101100100110… |
… | …0100010101111 |
3 | 1121222221100002 |
4 | 1121030202233 |
5 | 21441212231 |
6 | 2153054515 |
7 | 402513440 |
oct | 131144257 |
9 | 47887302 |
10 | 23382191 |
11 | 12220428 |
12 | 79b743b |
13 | 4ac8a21 |
14 | 31692c7 |
15 | 20bd0cb |
hex | 164c8af |
23382191 has 16 divisors (see below), whose sum is σ = 29528064. Its totient is φ = 18040704.
The previous prime is 23382131. The next prime is 23382193. The reversal of 23382191 is 19128332.
It is a cyclic number.
It is not a de Polignac number, because 23382191 - 214 = 23365807 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 (23382193) 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 15 ways as a sum of consecutive naturals, for example, 1535 + ... + 7008.
It is an arithmetic number, because the mean of its divisors is an integer number (1845504).
Almost surely, 223382191 is an apocalyptic number.
23382191 is a deficient number, since it is larger than the sum of its proper divisors (6145873).
23382191 is a wasteful number, since it uses less digits than its factorization.
23382191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8590.
The product of its digits is 2592, while the sum is 29.
The square root of 23382191 is about 4835.5135197826. The cubic root of 23382191 is about 285.9532704392.
The spelling of 23382191 in words is "twenty-three million, three hundred eighty-two thousand, one hundred ninety-one".
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