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28675303 = 1031991399
BaseRepresentation
bin110110101100…
…0110011100111
31222221212010021
41231120303213
524320102203
62502340011
7465510316
oct155306347
958855107
1028675303
11152061a8
12972a607
135c30047
143b4627d
1527b65bd
hex1b58ce7

28675303 has 8 divisors (see below), whose sum is σ = 29120000. Its totient is φ = 28234008.

The previous prime is 28675271. The next prime is 28675327. The reversal of 28675303 is 30357682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28675303 - 25 = 28675271 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 (28675343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19798 + ... + 21196.

It is an arithmetic number, because the mean of its divisors is an integer number (3640000).

Almost surely, 228675303 is an apocalyptic number.

28675303 is a deficient number, since it is larger than the sum of its proper divisors (444697).

28675303 is a wasteful number, since it uses less digits than its factorization.

28675303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 28675303 is about 5354.9325859435. The cubic root of 28675303 is about 306.0807417902.

The spelling of 28675303 in words is "twenty-eight million, six hundred seventy-five thousand, three hundred three".

Divisors: 1 103 199 1399 20497 144097 278401 28675303