Base | Representation |
---|---|
bin | 101100100110… |
… | …1000101001101 |
3 | 1122000001100210 |
4 | 1121031011031 |
5 | 21441300042 |
6 | 2153113033 |
7 | 402523041 |
oct | 131150515 |
9 | 48001323 |
10 | 23384397 |
11 | 12222053 |
12 | 79b8779 |
13 | 4ac9a2a |
14 | 316a021 |
15 | 20bda9c |
hex | 164d14d |
23384397 has 4 divisors (see below), whose sum is σ = 31179200. Its totient is φ = 15589596.
The previous prime is 23384377. The next prime is 23384419. The reversal of 23384397 is 79348332.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a de Polignac number, because none of the positive numbers 2k-23384397 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 (23384327) 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, 3897397 + ... + 3897402.
It is an arithmetic number, because the mean of its divisors is an integer number (7794800).
Almost surely, 223384397 is an apocalyptic number.
It is an amenable number.
23384397 is a deficient number, since it is larger than the sum of its proper divisors (7794803).
23384397 is an equidigital number, since it uses as much as digits as its factorization.
23384397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7794802.
The product of its digits is 108864, while the sum is 39.
The square root of 23384397 is about 4835.7416184077. The cubic root of 23384397 is about 285.9622629395.
The spelling of 23384397 in words is "twenty-three million, three hundred eighty-four thousand, three hundred ninety-seven".
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