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28676351 = 112606941
BaseRepresentation
bin110110101100…
…1000011111111
31222221220120002
41231121003333
524320120401
62502344515
7465513344
oct155310377
958856502
1028676351
1115206a70
12972b13b
135c30672
143b467cb
1527b6a6b
hex1b590ff

28676351 has 4 divisors (see below), whose sum is σ = 31283304. Its totient is φ = 26069400.

The previous prime is 28676327. The next prime is 28676353. The reversal of 28676351 is 15367682.

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

It is a cyclic number.

It is not a de Polignac number, because 28676351 - 26 = 28676287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28676353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303460 + ... + 1303481.

It is an arithmetic number, because the mean of its divisors is an integer number (7820826).

Almost surely, 228676351 is an apocalyptic number.

28676351 is a deficient number, since it is larger than the sum of its proper divisors (2606953).

28676351 is a wasteful number, since it uses less digits than its factorization.

28676351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606952.

The product of its digits is 60480, while the sum is 38.

The square root of 28676351 is about 5355.0304387557. The cubic root of 28676351 is about 306.0844705356.

The spelling of 28676351 in words is "twenty-eight million, six hundred seventy-six thousand, three hundred fifty-one".

Divisors: 1 11 2606941 28676351