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22428150 = 2352149521
BaseRepresentation
bin101010110001…
…1100111110110
31120012110122020
41111203213312
521220200100
62120414010
7361431123
oct125434766
946173566
1022428150
1111729668
127617306
1348536c4
142d9b74a
151e805a0
hex15639f6

22428150 has 24 divisors (see below), whose sum is σ = 55622184. Its totient is φ = 5980800.

The previous prime is 22428149. The next prime is 22428157. The reversal of 22428150 is 5182422.

It is a self number, because there is not a number n which added to its sum of digits gives 22428150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22428157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74611 + ... + 74910.

It is an arithmetic number, because the mean of its divisors is an integer number (2317591).

Almost surely, 222428150 is an apocalyptic number.

22428150 is an abundant number, since it is smaller than the sum of its proper divisors (33194034).

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

22428150 is a wasteful number, since it uses less digits than its factorization.

22428150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149536 (or 149531 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 22428150 is about 4735.8367792820. The cubic root of 22428150 is about 282.0099840537.

It can be divided in two parts, 22428 and 150, that added together give a triangular number (22578 = T212).

The spelling of 22428150 in words is "twenty-two million, four hundred twenty-eight thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 149521 299042 448563 747605 897126 1495210 2242815 3738025 4485630 7476050 11214075 22428150