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44286161 = 291527109
BaseRepresentation
bin1010100011110…
…0000011010001
310002022222012012
42220330003101
542314124121
64221112305
71045266113
oct250740321
9102288165
1044286161
1122aa8937
12129b8695
13923773a
145c4b3b3
153d4bc5b
hex2a3c0d1

44286161 has 4 divisors (see below), whose sum is σ = 45813300. Its totient is φ = 42759024.

The previous prime is 44286149. The next prime is 44286163. The reversal of 44286161 is 16168244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7756225 + 36529936 = 2785^2 + 6044^2 .

It is a cyclic number.

It is not a de Polignac number, because 44286161 - 214 = 44269777 is a prime.

It is a super-2 number, since 2×442861612 = 3922528112235842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44286163) 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 3 ways as a sum of consecutive naturals, for example, 763526 + ... + 763583.

It is an arithmetic number, because the mean of its divisors is an integer number (11453325).

Almost surely, 244286161 is an apocalyptic number.

It is an amenable number.

44286161 is a deficient number, since it is larger than the sum of its proper divisors (1527139).

44286161 is a wasteful number, since it uses less digits than its factorization.

44286161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527138.

The product of its digits is 9216, while the sum is 32.

The square root of 44286161 is about 6654.7848199623. The cubic root of 44286161 is about 353.7985197342.

The spelling of 44286161 in words is "forty-four million, two hundred eighty-six thousand, one hundred sixty-one".

Divisors: 1 29 1527109 44286161