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14428549 = 711031973
BaseRepresentation
bin110111000010…
…100110000101
31000011001020201
4313002212011
512143203144
61233130501
7233432512
oct67024605
930131221
1014428549
118165423
1249b9a31
132cb2505
141cb8309
1514001d4
hexdc2985

14428549 has 8 divisors (see below), whose sum is σ = 14781312. Its totient is φ = 14080080.

The previous prime is 14428537. The next prime is 14428553. The reversal of 14428549 is 94582441.

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 14428549 - 215 = 14395781 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 (14428559) 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 7 ways as a sum of consecutive naturals, for example, 6327 + ... + 8299.

It is an arithmetic number, because the mean of its divisors is an integer number (1847664).

Almost surely, 214428549 is an apocalyptic number.

It is an amenable number.

14428549 is a deficient number, since it is larger than the sum of its proper divisors (352763).

14428549 is a wasteful number, since it uses less digits than its factorization.

14428549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147.

The product of its digits is 46080, while the sum is 37.

The square root of 14428549 is about 3798.4929906477. The cubic root of 14428549 is about 243.4487521927.

The spelling of 14428549 in words is "fourteen million, four hundred twenty-eight thousand, five hundred forty-nine".

Divisors: 1 71 103 1973 7313 140083 203219 14428549