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441927889 = 13374122409
BaseRepresentation
bin11010010101110…
…100100011010001
31010210120021002121
4122111310203101
51401113143024
6111504014241
713644216334
oct3225644321
91123507077
10441927889
11207502a67
12104001381
13707317c0
144299a61b
1528be68e4
hex1a5748d1

441927889 has 16 divisors (see below), whose sum is σ = 500729040. Its totient is φ = 387210240.

The previous prime is 441927883. The next prime is 441927901. The reversal of 441927889 is 988729144.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 20857489 + 421070400 = 4567^2 + 20520^2 .

It is a cyclic number.

It is not a de Polignac number, because 441927889 - 213 = 441919697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441927883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8517 + ... + 30925.

It is an arithmetic number, because the mean of its divisors is an integer number (31295565).

Almost surely, 2441927889 is an apocalyptic number.

It is an amenable number.

441927889 is a deficient number, since it is larger than the sum of its proper divisors (58801151).

441927889 is a wasteful number, since it uses less digits than its factorization.

441927889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22500.

The product of its digits is 1161216, while the sum is 52.

The square root of 441927889 is about 21022.0809864295. The cubic root of 441927889 is about 761.6997327797.

The spelling of 441927889 in words is "four hundred forty-one million, nine hundred twenty-seven thousand, eight hundred eighty-nine".

Divisors: 1 13 37 41 481 533 1517 19721 22409 291317 829133 918769 10778729 11943997 33994453 441927889