Search a number
-
+
28827679 is a prime number
BaseRepresentation
bin110110111111…
…0000000011111
32000020121010211
41231332000133
524334441204
62505513251
7500013466
oct155760037
960217124
1028827679
11152aa731
1297a2827
135c844ca
143b859dd
1527e6804
hex1b7e01f

28827679 has 2 divisors, whose sum is σ = 28827680. Its totient is φ = 28827678.

The previous prime is 28827649. The next prime is 28827683. The reversal of 28827679 is 97672882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28827679 - 25 = 28827647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28827629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14413839 + 14413840.

It is an arithmetic number, because the mean of its divisors is an integer number (14413840).

Almost surely, 228827679 is an apocalyptic number.

28827679 is a deficient number, since it is larger than the sum of its proper divisors (1).

28827679 is an equidigital number, since it uses as much as digits as its factorization.

28827679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 49.

The square root of 28827679 is about 5369.1413652464. The cubic root of 28827679 is about 306.6219391027.

The spelling of 28827679 in words is "twenty-eight million, eight hundred twenty-seven thousand, six hundred seventy-nine".