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28384883 = 173745127
BaseRepresentation
bin110110001000…
…1111001110011
31222102002201222
41230101321303
524231304013
62452215255
7463160522
oct154217163
958362658
1028384883
1115027a8a
12960a52b
135b5aab7
143aac4b9
15275a508
hex1b11e73

28384883 has 8 divisors (see below), whose sum is σ = 30867552. Its totient is φ = 25992576.

The previous prime is 28384861. The next prime is 28384897. The reversal of 28384883 is 38848382.

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-28384883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28384183) 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, 21935 + ... + 23192.

It is an arithmetic number, because the mean of its divisors is an integer number (3858444).

Almost surely, 228384883 is an apocalyptic number.

28384883 is a deficient number, since it is larger than the sum of its proper divisors (2482669).

28384883 is a wasteful number, since it uses less digits than its factorization.

28384883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45181.

The product of its digits is 294912, while the sum is 44.

The square root of 28384883 is about 5327.7465217482. The cubic root of 28384883 is about 305.0439173524.

The spelling of 28384883 in words is "twenty-eight million, three hundred eighty-four thousand, eight hundred eighty-three".

Divisors: 1 17 37 629 45127 767159 1669699 28384883