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28758083 is a prime number
BaseRepresentation
bin110110110110…
…1000001000011
32000010001200012
41231231001003
524330224313
62504215135
7466303544
oct155550103
960101605
1028758083
1115262412
12976a4ab
135c5b923
143b684cb
1527d0da8
hex1b6d043

28758083 has 2 divisors, whose sum is σ = 28758084. Its totient is φ = 28758082.

The previous prime is 28758071. The next prime is 28758091. The reversal of 28758083 is 38085782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28758083 - 222 = 24563779 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28758083.

It is not a weakly prime, because it can be changed into another prime (28751083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14379041 + 14379042.

It is an arithmetic number, because the mean of its divisors is an integer number (14379042).

Almost surely, 228758083 is an apocalyptic number.

28758083 is a deficient number, since it is larger than the sum of its proper divisors (1).

28758083 is an equidigital number, since it uses as much as digits as its factorization.

28758083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 28758083 is about 5362.6563380474. The cubic root of 28758083 is about 306.3749906019.

The spelling of 28758083 in words is "twenty-eight million, seven hundred fifty-eight thousand, eighty-three".