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12022730 = 253138783
BaseRepresentation
bin101101110111…
…001111001010
3211121211002022
4231313033022
511034211410
61105404442
7204122456
oct55671712
924554068
1012022730
116871945
124039722
13264c455
14184d666
1510c7455
hexb773ca

12022730 has 16 divisors (see below), whose sum is σ = 22339584. Its totient is φ = 4653840.

The previous prime is 12022727. The next prime is 12022739. The reversal of 12022730 is 3722021.

It is a junction number, because it is equal to n+sod(n) for n = 12022699 and 12022708.

It is not an unprimeable number, because it can be changed into a prime (12022739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19082 + ... + 19701.

It is an arithmetic number, because the mean of its divisors is an integer number (1396224).

Almost surely, 212022730 is an apocalyptic number.

12022730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12022730 is a deficient number, since it is larger than the sum of its proper divisors (10316854).

12022730 is a wasteful number, since it uses less digits than its factorization.

12022730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38821.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 12022730 is about 3467.3808559199. The cubic root of 12022730 is about 229.0873093088.

Adding to 12022730 its reverse (3722021), we get a palindrome (15744751).

The spelling of 12022730 in words is "twelve million, twenty-two thousand, seven hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 38783 77566 193915 387830 1202273 2404546 6011365 12022730