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28876682 = 214438341
BaseRepresentation
bin110111000100…
…1111110001010
32000100002100202
41232021332022
524343023212
62510532202
7500306402
oct156117612
960302322
1028876682
111533352a
129807062
135ca08c3
143b99802
1528060c2
hex1b89f8a

28876682 has 4 divisors (see below), whose sum is σ = 43315026. Its totient is φ = 14438340.

The previous prime is 28876681. The next prime is 28876699. The reversal of 28876682 is 28667882.

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., 19882681 + 8994001 = 4459^2 + 2999^2 .

It is not an unprimeable number, because it can be changed into a prime (28876681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7219169 + ... + 7219172.

Almost surely, 228876682 is an apocalyptic number.

28876682 is a deficient number, since it is larger than the sum of its proper divisors (14438344).

28876682 is a wasteful number, since it uses less digits than its factorization.

28876682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14438343.

The product of its digits is 516096, while the sum is 47.

The square root of 28876682 is about 5373.7028202162. The cubic root of 28876682 is about 306.7955788099.

The spelling of 28876682 in words is "twenty-eight million, eight hundred seventy-six thousand, six hundred eighty-two".

Divisors: 1 2 14438341 28876682