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22010049 = 34271729
BaseRepresentation
bin101001111110…
…1100011000001
31112102020010000
41103331203001
521113310144
62103430213
7355040145
oct123754301
945366100
1022010049
1111473526
127455369
1347382c9
142ccd225
151deb769
hex14fd8c1

22010049 has 10 divisors (see below), whose sum is σ = 32879330. Its totient is φ = 14673312.

The previous prime is 22010041. The next prime is 22010059. The reversal of 22010049 is 94001022.

It can be written as a sum of positive squares in only one way, i.e., 11512449 + 10497600 = 3393^2 + 3240^2 .

It is not a de Polignac number, because 22010049 - 23 = 22010041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22010041) 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 9 ways as a sum of consecutive naturals, for example, 135784 + ... + 135945.

It is an arithmetic number, because the mean of its divisors is an integer number (3287933).

Almost surely, 222010049 is an apocalyptic number.

It is an amenable number.

22010049 is a deficient number, since it is larger than the sum of its proper divisors (10869281).

22010049 is an equidigital number, since it uses as much as digits as its factorization.

22010049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271741 (or 271732 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22010049 is about 4691.4868645239. The cubic root of 22010049 is about 280.2465897430.

The spelling of 22010049 in words is "twenty-two million, ten thousand, forty-nine".

Divisors: 1 3 9 27 81 271729 815187 2445561 7336683 22010049