Base | Representation |
---|---|
bin | 101100010010… |
… | …1000000011110 |
3 | 1121200201012102 |
4 | 1120211000132 |
5 | 21421022004 |
6 | 2145405102 |
7 | 401240351 |
oct | 130450036 |
9 | 47621172 |
10 | 23220254 |
11 | 1211a7a2 |
12 | 7939792 |
13 | 4a700c5 |
14 | 3126298 |
15 | 208a11e |
hex | 162501e |
23220254 has 8 divisors (see below), whose sum is σ = 35487720. Its totient is φ = 11391016.
The previous prime is 23220247. The next prime is 23220259. The reversal of 23220254 is 45202232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23220259) 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, 109424 + ... + 109635.
It is an arithmetic number, because the mean of its divisors is an integer number (4435965).
Almost surely, 223220254 is an apocalyptic number.
23220254 is a deficient number, since it is larger than the sum of its proper divisors (12267466).
23220254 is a wasteful number, since it uses less digits than its factorization.
23220254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219114.
The product of its (nonzero) digits is 960, while the sum is 20.
The square root of 23220254 is about 4818.7398767728. The cubic root of 23220254 is about 285.2916026378.
Adding to 23220254 its reverse (45202232), we get a palindrome (68422486).
The spelling of 23220254 in words is "twenty-three million, two hundred twenty thousand, two hundred fifty-four".
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