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22030939 = 72835417
BaseRepresentation
bin101010000001…
…0101001011011
31112110021202201
41110002221123
521114442224
62104111031
7355155100
oct124025133
945407681
1022030939
1111488197
127465477
134744978
142cd6aa7
151e02a44
hex1502a5b

22030939 has 12 divisors (see below), whose sum is σ = 25941384. Its totient is φ = 18652704.

The previous prime is 22030927. The next prime is 22030949. The reversal of 22030939 is 93903022.

It is a happy number.

It is not a de Polignac number, because 22030939 - 25 = 22030907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22030909) 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 11 ways as a sum of consecutive naturals, for example, 1359 + ... + 6775.

It is an arithmetic number, because the mean of its divisors is an integer number (2161782).

Almost surely, 222030939 is an apocalyptic number.

22030939 is a deficient number, since it is larger than the sum of its proper divisors (3910445).

22030939 is an equidigital number, since it uses as much as digits as its factorization.

22030939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 22030939 is about 4693.7127095722. The cubic root of 22030939 is about 280.3352235013.

The spelling of 22030939 in words is "twenty-two million, thirty thousand, nine hundred thirty-nine".

Divisors: 1 7 49 83 581 4067 5417 37919 265433 449611 3147277 22030939