Search a number
-
+
28496071 is a prime number
BaseRepresentation
bin110110010110…
…1000011000111
31222121202021001
41230231003013
524243333241
62454434131
7464132632
oct154550307
958552231
1028496071
11150a357a
129662947
135b995a6
143adac19
15277d431
hex1b2d0c7

28496071 has 2 divisors, whose sum is σ = 28496072. Its totient is φ = 28496070.

The previous prime is 28496059. The next prime is 28496077. The reversal of 28496071 is 17069482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28496071 - 223 = 20107463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28496071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28496077) 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 as a sum of consecutive naturals, namely, 14248035 + 14248036.

It is an arithmetic number, because the mean of its divisors is an integer number (14248036).

Almost surely, 228496071 is an apocalyptic number.

28496071 is a deficient number, since it is larger than the sum of its proper divisors (1).

28496071 is an equidigital number, since it uses as much as digits as its factorization.

28496071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 28496071 is about 5338.1711287669. The cubic root of 28496071 is about 305.4416998958.

The spelling of 28496071 in words is "twenty-eight million, four hundred ninety-six thousand, seventy-one".