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22128150 = 23521113411
BaseRepresentation
bin101010001101…
…0011000010110
31112122020010010
41110122120112
521131100100
62110141050
7356041362
oct124323026
945566103
1022128150
1111544230
1274b1786
134779ca5
142d202a2
151e21750
hex151a616

22128150 has 48 divisors (see below), whose sum is σ = 59871168. Its totient is φ = 5364000.

The previous prime is 22128149. The next prime is 22128167. The reversal of 22128150 is 5182122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5056 + ... + 8355.

It is an arithmetic number, because the mean of its divisors is an integer number (1247316).

Almost surely, 222128150 is an apocalyptic number.

22128150 is an abundant number, since it is smaller than the sum of its proper divisors (37743018).

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

22128150 is a wasteful number, since it uses less digits than its factorization.

22128150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437 (or 13432 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 22128150 is about 4704.0567598616. The cubic root of 22128150 is about 280.7469427193.

The spelling of 22128150 in words is "twenty-two million, one hundred twenty-eight thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 150 165 275 330 550 825 1650 13411 26822 40233 67055 80466 134110 147521 201165 295042 335275 402330 442563 670550 737605 885126 1005825 1475210 2011650 2212815 3688025 4425630 7376050 11064075 22128150