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22857045 = 355328751
BaseRepresentation
bin101011100110…
…0010101010101
31121000020222020
41113030111111
521322411140
62133523353
7365165421
oct127142525
947006866
1022857045
11119a1922
1277a3559
1349739a3
14306db81
1520176d0
hex15cc555

22857045 has 16 divisors (see below), whose sum is σ = 37262592. Its totient is φ = 11960000.

The previous prime is 22856989. The next prime is 22857053. The reversal of 22857045 is 54075822.

It is not a de Polignac number, because 22857045 - 213 = 22848853 is a prime.

It is a super-2 number, since 2×228570452 = 1044889012264050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22856997 and 22857015.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13581 + ... + 15170.

It is an arithmetic number, because the mean of its divisors is an integer number (2328912).

Almost surely, 222857045 is an apocalyptic number.

It is an amenable number.

22857045 is a deficient number, since it is larger than the sum of its proper divisors (14405547).

22857045 is a wasteful number, since it uses less digits than its factorization.

22857045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28812.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 22857045 is about 4780.9042031817. The cubic root of 22857045 is about 283.7962773920.

The spelling of 22857045 in words is "twenty-two million, eight hundred fifty-seven thousand, forty-five".

Divisors: 1 3 5 15 53 159 265 795 28751 86253 143755 431265 1523803 4571409 7619015 22857045