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44668709 = 263169843
BaseRepresentation
bin1010101001100…
…1011100100101
310010001101221122
42222121130211
542413344314
64233223325
71051451321
oct252313445
9103041848
1044668709
112323a298
1212b61b45
13933c8b7
145d0a981
153dc528e
hex2a99725

44668709 has 4 divisors (see below), whose sum is σ = 44838816. Its totient is φ = 44498604.

The previous prime is 44668693. The next prime is 44668711. The reversal of 44668709 is 90786644.

44668709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44668709 - 24 = 44668693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44668709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44668739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84659 + ... + 85184.

It is an arithmetic number, because the mean of its divisors is an integer number (11209704).

Almost surely, 244668709 is an apocalyptic number.

It is an amenable number.

44668709 is a deficient number, since it is larger than the sum of its proper divisors (170107).

44668709 is a wasteful number, since it uses less digits than its factorization.

44668709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170106.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 44668709 is about 6683.4653436672. The cubic root of 44668709 is about 354.8143153779.

The spelling of 44668709 in words is "forty-four million, six hundred sixty-eight thousand, seven hundred nine".

Divisors: 1 263 169843 44668709