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28763067 = 39587689
BaseRepresentation
bin110110110111…
…0001110111011
32000010022111210
41231232032323
524330404232
62504254203
7466324224
oct155561673
960108453
1028763067
1115266133
129771363
135c60c88
143b6a24b
1527d25cc
hex1b6e3bb

28763067 has 4 divisors (see below), whose sum is σ = 38350760. Its totient is φ = 19175376.

The previous prime is 28763057. The next prime is 28763101. The reversal of 28763067 is 76036782.

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

It is not a de Polignac number, because 28763067 - 24 = 28763051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28763057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4793842 + ... + 4793847.

It is an arithmetic number, because the mean of its divisors is an integer number (9587690).

Almost surely, 228763067 is an apocalyptic number.

28763067 is a deficient number, since it is larger than the sum of its proper divisors (9587693).

28763067 is an equidigital number, since it uses as much as digits as its factorization.

28763067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9587692.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 28763067 is about 5363.1210129923. The cubic root of 28763067 is about 306.3926886377.

The spelling of 28763067 in words is "twenty-eight million, seven hundred sixty-three thousand, sixty-seven".

Divisors: 1 3 9587689 28763067