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22038029 = 131695233
BaseRepresentation
bin101010000010…
…0011000001101
31112110122111022
41110010120031
521120204104
62104203525
7355214546
oct124043015
945418438
1022038029
1111492552
1274695a5
134747c70
142cd94cd
151e04bbe
hex150460d

22038029 has 4 divisors (see below), whose sum is σ = 23733276. Its totient is φ = 20342784.

The previous prime is 22038011. The next prime is 22038047. The reversal of 22038029 is 92083022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22038011) and next prime (22038047).

It can be written as a sum of positive squares in 2 ways, for example, as 4313929 + 17724100 = 2077^2 + 4210^2 .

It is a cyclic number.

It is not a de Polignac number, because 22038029 - 28 = 22037773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22037989 and 22038007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22038829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847604 + ... + 847629.

It is an arithmetic number, because the mean of its divisors is an integer number (5933319).

Almost surely, 222038029 is an apocalyptic number.

It is an amenable number.

22038029 is a deficient number, since it is larger than the sum of its proper divisors (1695247).

22038029 is a wasteful number, since it uses less digits than its factorization.

22038029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695246.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 22038029 is about 4694.4679144712. The cubic root of 22038029 is about 280.3652927834.

The spelling of 22038029 in words is "twenty-two million, thirty-eight thousand, twenty-nine".

Divisors: 1 13 1695233 22038029