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28114603 = 112555873
BaseRepresentation
bin110101100111…
…1111010101011
31221220100222121
41223033322223
524144131403
62442332111
7460653526
oct153177253
957810877
1028114603
1114962a10
1294ba037
135a94a7a
143a3bbbd
1527053bd
hex1acfeab

28114603 has 4 divisors (see below), whose sum is σ = 30670488. Its totient is φ = 25558720.

The previous prime is 28114591. The next prime is 28114609. The reversal of 28114603 is 30641182.

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

It is not a de Polignac number, because 28114603 - 213 = 28106411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28114609) 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, 1277926 + ... + 1277947.

It is an arithmetic number, because the mean of its divisors is an integer number (7667622).

Almost surely, 228114603 is an apocalyptic number.

28114603 is a deficient number, since it is larger than the sum of its proper divisors (2555885).

28114603 is a wasteful number, since it uses less digits than its factorization.

28114603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555884.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 28114603 is about 5302.3205297304. The cubic root of 28114603 is about 304.0726215873.

Adding to 28114603 its reverse (30641182), we get a palindrome (58755785).

It can be divided in two parts, 281 and 14603, that added together give a square (14884 = 1222).

The spelling of 28114603 in words is "twenty-eight million, one hundred fourteen thousand, six hundred three".

Divisors: 1 11 2555873 28114603