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44090287 = 235932491
BaseRepresentation
bin1010100000110…
…0001110101111
310001222000111121
42220030032233
542241342122
64213001411
71043522053
oct250141657
9101860447
1044090287
112298475a
1212923267
139199537
145bd9c63
153d0dbc7
hex2a0c3af

44090287 has 8 divisors (see below), whose sum is σ = 46788480. Its totient is φ = 41457240.

The previous prime is 44090269. The next prime is 44090309. The reversal of 44090287 is 78209044.

It is a happy number.

44090287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44090287 - 219 = 43565999 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 (44090257) 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 7 ways as a sum of consecutive naturals, for example, 14889 + ... + 17602.

It is an arithmetic number, because the mean of its divisors is an integer number (5848560).

Almost surely, 244090287 is an apocalyptic number.

44090287 is a deficient number, since it is larger than the sum of its proper divisors (2698193).

44090287 is a wasteful number, since it uses less digits than its factorization.

44090287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32573.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 44090287 is about 6640.0517317262. The cubic root of 44090287 is about 353.2761417065.

The spelling of 44090287 in words is "forty-four million, ninety thousand, two hundred eighty-seven".

Divisors: 1 23 59 1357 32491 747293 1916969 44090287