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28675697 is a prime number
BaseRepresentation
bin110110101100…
…0111001110001
31222221212122212
41231120321301
524320110242
62502341505
7465511421
oct155307161
958855585
1028675697
1115206526
12972a895
135c3028b
143b46481
1527b6782
hex1b58e71

28675697 has 2 divisors, whose sum is σ = 28675698. Its totient is φ = 28675696.

The previous prime is 28675663. The next prime is 28675721. The reversal of 28675697 is 79657682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20830096 + 7845601 = 4564^2 + 2801^2 .

It is a cyclic number.

It is not a de Polignac number, because 28675697 - 216 = 28610161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28675627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14337848 + 14337849.

It is an arithmetic number, because the mean of its divisors is an integer number (14337849).

Almost surely, 228675697 is an apocalyptic number.

It is an amenable number.

28675697 is a deficient number, since it is larger than the sum of its proper divisors (1).

28675697 is an equidigital number, since it uses as much as digits as its factorization.

28675697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 28675697 is about 5354.9693743289. The cubic root of 28675697 is about 306.0821436384.

The spelling of 28675697 in words is "twenty-eight million, six hundred seventy-five thousand, six hundred ninety-seven".