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20079441 = 335691307
BaseRepresentation
bin100110010011…
…0001101010001
31101210010211000
41030212031101
520120020231
61554212213
7332446434
oct114461521
941703730
1020079441
1110374a88
126884069
134210635
14294981b
151b696e6
hex1326351

20079441 has 16 divisors (see below), whose sum is σ = 29822400. Its totient is φ = 13352544.

The previous prime is 20079427. The next prime is 20079457. The reversal of 20079441 is 14497002.

It is a happy number.

It is not a de Polignac number, because 20079441 - 26 = 20079377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20079461) 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, 14710 + ... + 16016.

It is an arithmetic number, because the mean of its divisors is an integer number (1863900).

Almost surely, 220079441 is an apocalyptic number.

It is an amenable number.

20079441 is a deficient number, since it is larger than the sum of its proper divisors (9742959).

20079441 is a wasteful number, since it uses less digits than its factorization.

20079441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 20079441 is about 4481.0089265700. The cubic root of 20079441 is about 271.8006802804.

The spelling of 20079441 in words is "twenty million, seventy-nine thousand, four hundred forty-one".

Divisors: 1 3 9 27 569 1307 1707 3921 5121 11763 15363 35289 743683 2231049 6693147 20079441