Base | Representation |
---|---|
bin | 101100100010… |
… | …1111101101011 |
3 | 1121221120101000 |
4 | 1121011331223 |
5 | 21434331433 |
6 | 2152330043 |
7 | 402342042 |
oct | 131057553 |
9 | 47846330 |
10 | 23355243 |
11 | 1220215a |
12 | 79a3923 |
13 | 4ab9692 |
14 | 315d559 |
15 | 20b5113 |
hex | 1645f6b |
23355243 has 16 divisors (see below), whose sum is σ = 34675200. Its totient is φ = 15536520.
The previous prime is 23355191. The next prime is 23355247. The reversal of 23355243 is 34255332.
It is a de Polignac number, because none of the positive numbers 2k-23355243 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23355247) 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, 22138 + ... + 23168.
It is an arithmetic number, because the mean of its divisors is an integer number (2167200).
Almost surely, 223355243 is an apocalyptic number.
23355243 is a deficient number, since it is larger than the sum of its proper divisors (11319957).
23355243 is a wasteful number, since it uses less digits than its factorization.
23355243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1879 (or 1873 counting only the distinct ones).
The product of its digits is 10800, while the sum is 27.
The square root of 23355243 is about 4832.7262492303. The cubic root of 23355243 is about 285.8433743938.
The spelling of 23355243 in words is "twenty-three million, three hundred fifty-five thousand, two hundred forty-three".
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