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22033230 = 2351275783
BaseRepresentation
bin101010000001…
…1001101001110
31112110101220120
41110003031032
521120030410
62104125410
7355164552
oct124031516
945411816
1022033230
111148998a
127466866
134745a1b
142cd7862
151e03570
hex150334e

22033230 has 32 divisors (see below), whose sum is σ = 53305344. Its totient is φ = 5828256.

The previous prime is 22033211. The next prime is 22033237. The reversal of 22033230 is 3233022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033237) 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 15 ways as a sum of consecutive naturals, for example, 919 + ... + 6701.

It is an arithmetic number, because the mean of its divisors is an integer number (1665792).

Almost surely, 222033230 is an apocalyptic number.

22033230 is an abundant number, since it is smaller than the sum of its proper divisors (31272114).

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

22033230 is a wasteful number, since it uses less digits than its factorization.

22033230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 22033230 is about 4693.9567531029. The cubic root of 22033230 is about 280.3449405290.

Adding to 22033230 its reverse (3233022), we get a palindrome (25266252).

The spelling of 22033230 in words is "twenty-two million, thirty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 127 254 381 635 762 1270 1905 3810 5783 11566 17349 28915 34698 57830 86745 173490 734441 1468882 2203323 3672205 4406646 7344410 11016615 22033230