Search a number
-
+
28441148 = 2213154277
BaseRepresentation
bin110110001111…
…1101000111100
31222111221220212
41230133220330
524240104043
62453331552
7463513541
oct154375074
958457825
1028441148
111506628a
129636bb8
135b7a5a8
143ac4bc8
15276c018
hex1b1fa3c

28441148 has 12 divisors (see below), whose sum is σ = 50152872. Its totient is φ = 14111760.

The previous prime is 28441117. The next prime is 28441151. The reversal of 28441148 is 84114482.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26615 + ... + 27662.

It is an arithmetic number, because the mean of its divisors is an integer number (4179406).

Almost surely, 228441148 is an apocalyptic number.

It is an amenable number.

28441148 is a deficient number, since it is larger than the sum of its proper divisors (21711724).

28441148 is a wasteful number, since it uses less digits than its factorization.

28441148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54412 (or 54410 counting only the distinct ones).

The product of its digits is 8192, while the sum is 32.

The square root of 28441148 is about 5333.0242827124. The cubic root of 28441148 is about 305.2453387454.

The spelling of 28441148 in words is "twenty-eight million, four hundred forty-one thousand, one hundred forty-eight".

Divisors: 1 2 4 131 262 524 54277 108554 217108 7110287 14220574 28441148