Base | Representation |
---|---|
bin | 101100010000… |
… | …0110100010101 |
3 | 1121122211122211 |
4 | 1120200310111 |
5 | 21414444333 |
6 | 2145153421 |
7 | 401136334 |
oct | 130406425 |
9 | 47584584 |
10 | 23203093 |
11 | 12108911 |
12 | 792b871 |
13 | 4a65354 |
14 | 311dd1b |
15 | 2084ecd |
hex | 1620d15 |
23203093 has 4 divisors (see below), whose sum is σ = 23218380. Its totient is φ = 23187808.
The previous prime is 23203091. The next prime is 23203099. The reversal of 23203093 is 39030232.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 14577124 + 8625969 = 3818^2 + 2937^2 .
It is a cyclic number.
It is not a de Polignac number, because 23203093 - 21 = 23203091 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 (23203091) 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, 5080 + ... + 8497.
It is an arithmetic number, because the mean of its divisors is an integer number (5804595).
Almost surely, 223203093 is an apocalyptic number.
It is an amenable number.
23203093 is a deficient number, since it is larger than the sum of its proper divisors (15287).
23203093 is a wasteful number, since it uses less digits than its factorization.
23203093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15286.
The product of its (nonzero) digits is 972, while the sum is 22.
The square root of 23203093 is about 4816.9588954028. The cubic root of 23203093 is about 285.2213034384.
The spelling of 23203093 in words is "twenty-three million, two hundred three thousand, ninety-three".
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