Base | Representation |
---|---|
bin | 101100100110… |
… | …1010001101101 |
3 | 1122000002110102 |
4 | 1121031101231 |
5 | 21441311242 |
6 | 2153120445 |
7 | 402525263 |
oct | 131152155 |
9 | 48002412 |
10 | 23385197 |
11 | 12222710 |
12 | 79b9125 |
13 | 4aca1c4 |
14 | 316a433 |
15 | 20bde32 |
hex | 164d46d |
23385197 has 4 divisors (see below), whose sum is σ = 25511136. Its totient is φ = 21259260.
The previous prime is 23385161. The next prime is 23385239. The reversal of 23385197 is 79158332.
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 not a de Polignac number, because 23385197 - 224 = 6607981 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23385197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23385157) 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 3 ways as a sum of consecutive naturals, for example, 1062953 + ... + 1062974.
It is an arithmetic number, because the mean of its divisors is an integer number (6377784).
Almost surely, 223385197 is an apocalyptic number.
It is an amenable number.
23385197 is a deficient number, since it is larger than the sum of its proper divisors (2125939).
23385197 is a wasteful number, since it uses less digits than its factorization.
23385197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2125938.
The product of its digits is 45360, while the sum is 38.
The square root of 23385197 is about 4835.8243351056. The cubic root of 23385197 is about 285.9655239059.
The spelling of 23385197 in words is "twenty-three million, three hundred eighty-five thousand, one hundred ninety-seven".
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