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28041339 = 310878599
BaseRepresentation
bin110101011111…
…0000001111011
31221202122111010
41222332001323
524134310324
62441005003
7460230114
oct152760173
957678433
1028041339
1114912967
129483763
135a6a611
143a1d20b
1526dd829
hex1abe07b

28041339 has 8 divisors (see below), whose sum is σ = 37427200. Its totient is φ = 18674856.

The previous prime is 28041331. The next prime is 28041371. The reversal of 28041339 is 93314082.

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

It is not a de Polignac number, because 28041339 - 23 = 28041331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28041331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039 + ... + 7560.

It is an arithmetic number, because the mean of its divisors is an integer number (4678400).

Almost surely, 228041339 is an apocalyptic number.

28041339 is a deficient number, since it is larger than the sum of its proper divisors (9385861).

28041339 is a wasteful number, since it uses less digits than its factorization.

28041339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9689.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 28041339 is about 5295.4073497702. The cubic root of 28041339 is about 303.8082636461.

The spelling of 28041339 in words is "twenty-eight million, forty-one thousand, three hundred thirty-nine".

Divisors: 1 3 1087 3261 8599 25797 9347113 28041339