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22143050 = 252442861
BaseRepresentation
bin101010001111…
…0000001001010
31112122222112222
41110132001022
521132034200
62110334042
7356132666
oct124360112
945588488
1022143050
1111554446
1274ba322
1347839c7
142d258a6
151e25d85
hex151e04a

22143050 has 12 divisors (see below), whose sum is σ = 41186166. Its totient is φ = 8857200.

The previous prime is 22143049. The next prime is 22143053. The reversal of 22143050 is 5034122.

It can be written as a sum of positive squares in 3 ways, for example, as 15737089 + 6405961 = 3967^2 + 2531^2 .

It is not an unprimeable number, because it can be changed into a prime (22143053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221381 + ... + 221480.

Almost surely, 222143050 is an apocalyptic number.

22143050 is a deficient number, since it is larger than the sum of its proper divisors (19043116).

22143050 is a wasteful number, since it uses less digits than its factorization.

22143050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442873 (or 442868 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22143050 is about 4705.6402327420. The cubic root of 22143050 is about 280.8099422756.

Adding to 22143050 its reverse (5034122), we get a palindrome (27177172).

The spelling of 22143050 in words is "twenty-two million, one hundred forty-three thousand, fifty".

Divisors: 1 2 5 10 25 50 442861 885722 2214305 4428610 11071525 22143050