Base | Representation |
---|---|
bin | 101101010000… |
… | …1100001000101 |
3 | 1122122121202222 |
4 | 1122201201011 |
5 | 22033331440 |
6 | 2204342125 |
7 | 405463250 |
oct | 132414105 |
9 | 48577688 |
10 | 23730245 |
11 | 12438980 |
12 | 7b44945 |
13 | 4bbb286 |
14 | 321a097 |
15 | 213b2b5 |
hex | 16a1845 |
23730245 has 16 divisors (see below), whose sum is σ = 35503488. Its totient is φ = 14792640.
The previous prime is 23730241. The next prime is 23730247. The reversal of 23730245 is 54203732.
It is not a de Polignac number, because 23730245 - 22 = 23730241 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 (23730241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30434 + ... + 31203.
It is an arithmetic number, because the mean of its divisors is an integer number (2218968).
Almost surely, 223730245 is an apocalyptic number.
It is an amenable number.
23730245 is a deficient number, since it is larger than the sum of its proper divisors (11773243).
23730245 is a wasteful number, since it uses less digits than its factorization.
23730245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61660.
The product of its (nonzero) digits is 5040, while the sum is 26.
The square root of 23730245 is about 4871.3699305226. The cubic root of 23730245 is about 287.3651339718.
Adding to 23730245 its reverse (54203732), we get a palindrome (77933977).
The spelling of 23730245 in words is "twenty-three million, seven hundred thirty thousand, two hundred forty-five".
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