Base | Representation |
---|---|
bin | 101010000100… |
… | …0010111100111 |
3 | 1112111110220201 |
4 | 1110020113213 |
5 | 21121220000 |
6 | 2104411331 |
7 | 355313320 |
oct | 124102747 |
9 | 45443821 |
10 | 22054375 |
11 | 114a3862 |
12 | 7476b47 |
13 | 4752535 |
14 | 2d01447 |
15 | 1e0996a |
hex | 15085e7 |
22054375 has 30 divisors (see below), whose sum is σ = 31946024. Its totient is φ = 14910000.
The previous prime is 22054343. The next prime is 22054379. The reversal of 22054375 is 57345022.
It is not a de Polignac number, because 22054375 - 25 = 22054343 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22054379) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 310590 + ... + 310660.
Almost surely, 222054375 is an apocalyptic number.
22054375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
22054375 is a deficient number, since it is larger than the sum of its proper divisors (9891649).
22054375 is an frugal number, since it uses more digits than its factorization.
22054375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169 (or 83 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 28.
The square root of 22054375 is about 4696.2085771396. The cubic root of 22054375 is about 280.4345929687.
Multiplying 22054375 by its sum of digits (28), we get a square (617522500 = 248502).
Adding to 22054375 its reverse (57345022), we get a palindrome (79399397).
The spelling of 22054375 in words is "twenty-two million, fifty-four thousand, three hundred seventy-five".
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