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22681113 = 3713251331
BaseRepresentation
bin101011010000…
…1011000011001
31120200022122020
41112201120121
521301243423
62130045053
7363533460
oct126413031
946608566
1022681113
1111891724
127719789
1349118a0
1430259d7
151ed04e3
hex15a1619

22681113 has 32 divisors (see below), whose sum is σ = 37481472. Its totient is φ = 11880000.

The previous prime is 22681097. The next prime is 22681123. The reversal of 22681113 is 31118622.

It is not a de Polignac number, because 22681113 - 24 = 22681097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22681123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68358 + ... + 68688.

It is an arithmetic number, because the mean of its divisors is an integer number (1171296).

Almost surely, 222681113 is an apocalyptic number.

It is an amenable number.

22681113 is a deficient number, since it is larger than the sum of its proper divisors (14800359).

22681113 is a wasteful number, since it uses less digits than its factorization.

22681113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its digits is 576, while the sum is 24.

The square root of 22681113 is about 4762.4692124989. The cubic root of 22681113 is about 283.0662690725.

Adding to 22681113 its reverse (31118622), we get a palindrome (53799735).

The spelling of 22681113 in words is "twenty-two million, six hundred eighty-one thousand, one hundred thirteen".

Divisors: 1 3 7 13 21 39 91 251 273 331 753 993 1757 2317 3263 4303 5271 6951 9789 12909 22841 30121 68523 83081 90363 249243 581567 1080053 1744701 3240159 7560371 22681113