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44204989 = 431028023
BaseRepresentation
bin1010100010100…
…0001110111101
310002011211211211
42220220032331
542304024424
64215244421
71044510343
oct250501675
9102154754
1044204989
1122a52954
1212979711
1392097ca
145c29993
153d32b94
hex2a283bd

44204989 has 4 divisors (see below), whose sum is σ = 45233056. Its totient is φ = 43176924.

The previous prime is 44204987. The next prime is 44205023. The reversal of 44204989 is 98940244.

44204989 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 44204989 - 21 = 44204987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44204987) 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, 513969 + ... + 514054.

It is an arithmetic number, because the mean of its divisors is an integer number (11308264).

Almost surely, 244204989 is an apocalyptic number.

It is an amenable number.

44204989 is a deficient number, since it is larger than the sum of its proper divisors (1028067).

44204989 is a wasteful number, since it uses less digits than its factorization.

44204989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028066.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 44204989 is about 6648.6832530961. The cubic root of 44204989 is about 353.5822287099.

It can be divided in two parts, 4420 and 4989, that added together give a square (9409 = 972).

The spelling of 44204989 in words is "forty-four million, two hundred four thousand, nine hundred eighty-nine".

Divisors: 1 43 1028023 44204989