Base | Representation |
---|---|
bin | 101011110111… |
… | …1010001001110 |
3 | 1121021112021010 |
4 | 1113233101032 |
5 | 21342001032 |
6 | 2140550050 |
7 | 366332544 |
oct | 127572116 |
9 | 47245233 |
10 | 23000142 |
11 | 11a8a390 |
12 | 7852326 |
13 | 49c3b69 |
14 | 30a9d94 |
15 | 2044ccc |
hex | 15ef44e |
23000142 has 16 divisors (see below), whose sum is σ = 50182272. Its totient is φ = 6969720.
The previous prime is 23000137. The next prime is 23000189. The reversal of 23000142 is 24100032.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174178 + ... + 174309.
It is an arithmetic number, because the mean of its divisors is an integer number (3136392).
Almost surely, 223000142 is an apocalyptic number.
23000142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
23000142 is an abundant number, since it is smaller than the sum of its proper divisors (27182130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23000142 is a wasteful number, since it uses less digits than its factorization.
23000142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348503.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 23000142 is about 4795.8463278133. The cubic root of 23000142 is about 284.3872832435.
Adding to 23000142 its reverse (24100032), we get a palindrome (47100174).
The spelling of 23000142 in words is "twenty-three million, one hundred forty-two", and thus it is an aban number.
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