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105223044 = 2238768587
BaseRepresentation
bin1100100010110…
…01001110000100
321022222212212210
412101121032010
5203414114134
614235143420
72415244503
oct621311604
9238885783
10105223044
11544396a3
122b2a4b70
1318a51c74
14dd9083a
1593872e9
hex6459384

105223044 has 12 divisors (see below), whose sum is σ = 245520464. Its totient is φ = 35074344.

The previous prime is 105223043. The next prime is 105223057. The reversal of 105223044 is 440322501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1052230442 = 22143777977251872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105223044.

It is not an unprimeable number, because it can be changed into a prime (105223043) 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 3 ways as a sum of consecutive naturals, for example, 4384282 + ... + 4384305.

Almost surely, 2105223044 is an apocalyptic number.

It is an amenable number.

105223044 is an abundant number, since it is smaller than the sum of its proper divisors (140297420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105223044 is a wasteful number, since it uses less digits than its factorization.

105223044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768594 (or 8768592 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 105223044 is about 10257.8284251590. The cubic root of 105223044 is about 472.1032104566.

Adding to 105223044 its reverse (440322501), we get a palindrome (545545545).

The spelling of 105223044 in words is "one hundred five million, two hundred twenty-three thousand, forty-four".

Divisors: 1 2 3 4 6 12 8768587 17537174 26305761 35074348 52611522 105223044