Base | Representation |
---|---|
bin | 101010010000… |
… | …0001111001101 |
3 | 1112200110000200 |
4 | 1110200033031 |
5 | 21132332031 |
6 | 2110444113 |
7 | 356201334 |
oct | 124401715 |
9 | 45613020 |
10 | 22152141 |
11 | 11560260 |
12 | 7503639 |
13 | 4787b9b |
14 | 2d28d1b |
15 | 1e288e6 |
hex | 15203cd |
22152141 has 12 divisors (see below), whose sum is σ = 34906560. Its totient is φ = 13425480.
The previous prime is 22152121. The next prime is 22152149. The reversal of 22152141 is 14125122.
It is not a de Polignac number, because 22152141 - 210 = 22151117 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22152149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111781 + ... + 111978.
It is an arithmetic number, because the mean of its divisors is an integer number (2908880).
Almost surely, 222152141 is an apocalyptic number.
It is an amenable number.
22152141 is a deficient number, since it is larger than the sum of its proper divisors (12754419).
22152141 is a wasteful number, since it uses less digits than its factorization.
22152141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223776 (or 223773 counting only the distinct ones).
The product of its digits is 160, while the sum is 18.
The square root of 22152141 is about 4706.6061020655. The cubic root of 22152141 is about 280.8483665803.
Adding to 22152141 its reverse (14125122), we get a palindrome (36277263).
It can be divided in two parts, 2215 and 2141, that added together give a square (4356 = 662).
The spelling of 22152141 in words is "twenty-two million, one hundred fifty-two thousand, one hundred forty-one".
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