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22730404 = 226478783
BaseRepresentation
bin101011010110…
…1011010100100
31120202211020211
41112231122210
521304333104
62131105204
7364130254
oct126553244
946684224
1022730404
1111915764
127742204
13492b158
143039964
151edee04
hex15ad6a4

22730404 has 12 divisors (see below), whose sum is σ = 39844224. Its totient is φ = 11346344.

The previous prime is 22730387. The next prime is 22730423. The reversal of 22730404 is 40403722.

It is a super-3 number, since 3×227304043 (a number of 23 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1804 + ... + 6979.

It is an arithmetic number, because the mean of its divisors is an integer number (3320352).

Almost surely, 222730404 is an apocalyptic number.

It is an amenable number.

22730404 is a deficient number, since it is larger than the sum of its proper divisors (17113820).

22730404 is a wasteful number, since it uses less digits than its factorization.

22730404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9434 (or 9432 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22730404 is about 4767.6413455712. The cubic root of 22730404 is about 283.2711755997.

The spelling of 22730404 in words is "twenty-two million, seven hundred thirty thousand, four hundred four".

Divisors: 1 2 4 647 1294 2588 8783 17566 35132 5682601 11365202 22730404