Base | Representation |
---|---|
bin | 101010001110… |
… | …1110001001110 |
3 | 1112122221011012 |
4 | 1110131301032 |
5 | 21132021110 |
6 | 2110325222 |
7 | 356130011 |
oct | 124356116 |
9 | 45587135 |
10 | 22142030 |
11 | 115536a9 |
12 | 74b9812 |
13 | 47833c1 |
14 | 2d25378 |
15 | 1e25905 |
hex | 151dc4e |
22142030 has 16 divisors (see below), whose sum is σ = 41953680. Its totient is φ = 8390592.
The previous prime is 22142023. The next prime is 22142039. The reversal of 22142030 is 3024122.
It is a junction number, because it is equal to n+sod(n) for n = 22141996 and 22142014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22142039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58079 + ... + 58458.
It is an arithmetic number, because the mean of its divisors is an integer number (2622105).
Almost surely, 222142030 is an apocalyptic number.
22142030 is a deficient number, since it is larger than the sum of its proper divisors (19811650).
22142030 is a wasteful number, since it uses less digits than its factorization.
22142030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116563.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 22142030 is about 4705.5318509176. The cubic root of 22142030 is about 280.8056304556.
Adding to 22142030 its reverse (3024122), we get a palindrome (25166152).
The spelling of 22142030 in words is "twenty-two million, one hundred forty-two thousand, thirty".
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