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22030030 = 2511200273
BaseRepresentation
bin101010000001…
…0011011001110
31112110020112001
41110002123032
521114430110
62104102514
7355152331
oct124023316
945406461
1022030030
1111487540
127464a3a
134744429
142cd6618
151e0263a
hex15026ce

22030030 has 16 divisors (see below), whose sum is σ = 43259184. Its totient is φ = 8010880.

The previous prime is 22030007. The next prime is 22030031. The reversal of 22030030 is 3003022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22029989 and 22030016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030031) 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 7 ways as a sum of consecutive naturals, for example, 100027 + ... + 100246.

It is an arithmetic number, because the mean of its divisors is an integer number (2703699).

Almost surely, 222030030 is an apocalyptic number.

22030030 is a deficient number, since it is larger than the sum of its proper divisors (21229154).

22030030 is a wasteful number, since it uses less digits than its factorization.

22030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200291.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 22030030 is about 4693.6158769120. The cubic root of 22030030 is about 280.3313678898.

Adding to 22030030 its reverse (3003022), we get a palindrome (25033052).

The spelling of 22030030 in words is "twenty-two million, thirty thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 200273 400546 1001365 2002730 2203003 4406006 11015015 22030030