Base | Representation |
---|---|
bin | 101011110111… |
… | …1010101111010 |
3 | 1121021112200020 |
4 | 1113233111322 |
5 | 21342003232 |
6 | 2140551310 |
7 | 366333453 |
oct | 127572572 |
9 | 47245606 |
10 | 23000442 |
11 | 11a8a633 |
12 | 7852536 |
13 | 49c403a |
14 | 30aa12a |
15 | 2044e2c |
hex | 15ef57a |
23000442 has 32 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 7356720.
The previous prime is 23000429. The next prime is 23000447. The reversal of 23000442 is 24400032.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (23000447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14467 + ... + 15977.
It is an arithmetic number, because the mean of its divisors is an integer number (1496880).
Almost surely, 223000442 is an apocalyptic number.
23000442 is an abundant number, since it is smaller than the sum of its proper divisors (24899718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23000442 is a wasteful number, since it uses less digits than its factorization.
23000442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1618.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 23000442 is about 4795.8776047768. The cubic root of 23000442 is about 284.3885196970.
Adding to 23000442 its reverse (24400032), we get a palindrome (47400474).
The spelling of 23000442 in words is "twenty-three million, four hundred forty-two", and thus it is an aban number.
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