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28674107 = 7113071213
BaseRepresentation
bin110110101100…
…0100000111011
31222221210110222
41231120200323
524320032412
62502330255
7465503660
oct155304073
958853428
1028674107
1115205310
12972998b
135c2c637
143b45a67
1527b6072
hex1b5883b

28674107 has 16 divisors (see below), whose sum is σ = 35895552. Its totient is φ = 22252320.

The previous prime is 28674103. The next prime is 28674133. The reversal of 28674107 is 70147682.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28674107 - 22 = 28674103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28674103) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 23033 + ... + 24245.

It is an arithmetic number, because the mean of its divisors is an integer number (2243472).

Almost surely, 228674107 is an apocalyptic number.

28674107 is a deficient number, since it is larger than the sum of its proper divisors (7221445).

28674107 is a wasteful number, since it uses less digits than its factorization.

28674107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 28674107 is about 5354.8209120380. The cubic root of 28674107 is about 306.0764863553.

The spelling of 28674107 in words is "twenty-eight million, six hundred seventy-four thousand, one hundred seven".

Divisors: 1 7 11 77 307 1213 2149 3377 8491 13343 23639 93401 372391 2606737 4096301 28674107