Base | Representation |
---|---|
bin | 101101001101… |
… | …0001100010011 |
3 | 1122121002121210 |
4 | 1122122030103 |
5 | 22031401433 |
6 | 2203551203 |
7 | 405306630 |
oct | 132321423 |
9 | 48532553 |
10 | 23700243 |
11 | 12418386 |
12 | 7b2b503 |
13 | 4baa718 |
14 | 320d187 |
15 | 2132463 |
hex | 169a313 |
23700243 has 8 divisors (see below), whose sum is σ = 36114688. Its totient is φ = 13542984.
The previous prime is 23700223. The next prime is 23700247. The reversal of 23700243 is 34200732.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23700243 - 25 = 23700211 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1128583 = 23700243 / (2 + 3 + 7 + 0 + 0 + 2 + 4 + 3).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23700247) 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, 564271 + ... + 564312.
It is an arithmetic number, because the mean of its divisors is an integer number (4514336).
Almost surely, 223700243 is an apocalyptic number.
23700243 is a deficient number, since it is larger than the sum of its proper divisors (12414445).
23700243 is a wasteful number, since it uses less digits than its factorization.
23700243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1128593.
The product of its (nonzero) digits is 1008, while the sum is 21.
The square root of 23700243 is about 4868.2895353502. The cubic root of 23700243 is about 287.2439782528.
Adding to 23700243 its reverse (34200732), we get a palindrome (57900975).
The spelling of 23700243 in words is "twenty-three million, seven hundred thousand, two hundred forty-three".
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