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28695682 = 214347841
BaseRepresentation
bin110110101110…
…1110010000010
31222222220002001
41231131302002
524321230212
62503014214
7465623611
oct155356202
958886061
1028695682
111521a544
12973a36a
135c393c2
143b4d878
1527bc657
hex1b5dc82

28695682 has 4 divisors (see below), whose sum is σ = 43043526. Its totient is φ = 14347840.

The previous prime is 28695679. The next prime is 28695701. The reversal of 28695682 is 28659682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26327161 + 2368521 = 5131^2 + 1539^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7173919 + ... + 7173922.

Almost surely, 228695682 is an apocalyptic number.

28695682 is a deficient number, since it is larger than the sum of its proper divisors (14347844).

28695682 is a wasteful number, since it uses less digits than its factorization.

28695682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14347843.

The product of its digits is 414720, while the sum is 46.

The square root of 28695682 is about 5356.8350730632. The cubic root of 28695682 is about 306.1532332343.

The spelling of 28695682 in words is "twenty-eight million, six hundred ninety-five thousand, six hundred eighty-two".

Divisors: 1 2 14347841 28695682