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28856483 = 43671081
BaseRepresentation
bin110111000010…
…1000010100011
32000022001122122
41232011002203
524341401413
62510254455
7500163455
oct156050243
960261578
1028856483
111531a337
1297b742b
135c94656
143b922d5
152800108
hex1b850a3

28856483 has 4 divisors (see below), whose sum is σ = 29527608. Its totient is φ = 28185360.

The previous prime is 28856461. The next prime is 28856489. The reversal of 28856483 is 38465882.

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 28856483 - 210 = 28855459 is a prime.

It is a super-2 number, since 2×288564832 = 1665393222258578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28856489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335498 + ... + 335583.

It is an arithmetic number, because the mean of its divisors is an integer number (7381902).

Almost surely, 228856483 is an apocalyptic number.

28856483 is a deficient number, since it is larger than the sum of its proper divisors (671125).

28856483 is an equidigital number, since it uses as much as digits as its factorization.

28856483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671124.

The product of its digits is 368640, while the sum is 44.

The square root of 28856483 is about 5371.8230611218. The cubic root of 28856483 is about 306.7240284685.

The spelling of 28856483 in words is "twenty-eight million, eight hundred fifty-six thousand, four hundred eighty-three".

Divisors: 1 43 671081 28856483