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22080730 = 2571512089
BaseRepresentation
bin101010000111…
…0110011011010
31112112211001211
41110032303122
521123040410
62105133334
7355453210
oct124166332
945484054
1022080730
1111511641
12748a24a
134761529
142d0acb0
151e1268a
hex150ecda

22080730 has 32 divisors (see below), whose sum is σ = 45745920. Its totient is φ = 7516800.

The previous prime is 22080703. The next prime is 22080731. The reversal of 22080730 is 3708022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22080731) 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 15 ways as a sum of consecutive naturals, for example, 9526 + ... + 11614.

It is an arithmetic number, because the mean of its divisors is an integer number (1429560).

Almost surely, 222080730 is an apocalyptic number.

22080730 is an abundant number, since it is smaller than the sum of its proper divisors (23665190).

22080730 is a wasteful number, since it uses less digits than its factorization.

22080730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 22080730 is about 4699.0137263047. The cubic root of 22080730 is about 280.5462550407.

Adding to 22080730 its reverse (3708022), we get a palindrome (25788752).

The spelling of 22080730 in words is "twenty-two million, eighty thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 151 302 755 1057 1510 2089 2114 4178 5285 10445 10570 14623 20890 29246 73115 146230 315439 630878 1577195 2208073 3154390 4416146 11040365 22080730