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28674607 = 1310121839
BaseRepresentation
bin110110101100…
…0101000101111
31222221211011111
41231120220233
524320041412
62502332451
7465505303
oct155305057
958854144
1028674607
1115205725
12972a127
135c2c930
143b45d03
1527b62a7
hex1b58a2f

28674607 has 8 divisors (see below), whose sum is σ = 31187520. Its totient is φ = 26205600.

The previous prime is 28674587. The next prime is 28674617. The reversal of 28674607 is 70647682.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28674607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28674607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28674617) 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, 9607 + ... + 12232.

It is an arithmetic number, because the mean of its divisors is an integer number (3898440).

Almost surely, 228674607 is an apocalyptic number.

28674607 is a deficient number, since it is larger than the sum of its proper divisors (2512913).

28674607 is a wasteful number, since it uses less digits than its factorization.

28674607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21953.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 28674607 is about 5354.8675987367. The cubic root of 28674607 is about 306.0782653977.

The spelling of 28674607 in words is "twenty-eight million, six hundred seventy-four thousand, six hundred seven".

Divisors: 1 13 101 1313 21839 283907 2205739 28674607