Search a number
-
+
28524107 is a prime number
BaseRepresentation
bin110110011001…
…1111001001011
31222200011201102
41230303321023
524300232412
62455212015
7464310443
oct154637113
958604642
1028524107
1115112647
12967700b
135ba9291
143b07123
1527868c2
hex1b33e4b

28524107 has 2 divisors, whose sum is σ = 28524108. Its totient is φ = 28524106.

The previous prime is 28524103. The next prime is 28524109. The reversal of 28524107 is 70142582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28524107 - 22 = 28524103 is a prime.

Together with 28524109, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28524107.

It is not a weakly prime, because it can be changed into another prime (28524103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14262053 + 14262054.

It is an arithmetic number, because the mean of its divisors is an integer number (14262054).

Almost surely, 228524107 is an apocalyptic number.

28524107 is a deficient number, since it is larger than the sum of its proper divisors (1).

28524107 is an equidigital number, since it uses as much as digits as its factorization.

28524107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 28524107 is about 5340.7964761822. The cubic root of 28524107 is about 305.5418371704.

Adding to 28524107 its reverse (70142582), we get a palindrome (98666689).

The spelling of 28524107 in words is "twenty-eight million, five hundred twenty-four thousand, one hundred seven".