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45027389 = 114199839
BaseRepresentation
bin1010101111000…
…1000000111101
310010201121222002
42223301000331
543011334024
64245032045
71054504121
oct253610075
9103647862
1045027389
1123464820
12130b5625
139436c34
145da1581
153e466ae
hex2af103d

45027389 has 8 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 39935200.

The previous prime is 45027331. The next prime is 45027421. The reversal of 45027389 is 98372054.

45027389 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 a de Polignac number, because none of the positive numbers 2k-45027389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45027319) 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, 49469 + ... + 50370.

It is an arithmetic number, because the mean of its divisors is an integer number (6289920).

Almost surely, 245027389 is an apocalyptic number.

It is an amenable number.

45027389 is a deficient number, since it is larger than the sum of its proper divisors (5291971).

45027389 is a wasteful number, since it uses less digits than its factorization.

45027389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99891.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 45027389 is about 6710.2450774916. The cubic root of 45027389 is about 355.7614785918.

The spelling of 45027389 in words is "forty-five million, twenty-seven thousand, three hundred eighty-nine".

Divisors: 1 11 41 451 99839 1098229 4093399 45027389