Search a number
-
+
28848242 = 261236461
BaseRepresentation
bin110111000001…
…1000001110010
32000021122100102
41232003001302
524341120432
62510152402
7500130443
oct156030162
960248312
1028848242
1115314125
1297b2702
135c90987
143b8d2ca
1527ec962
hex1b83072

28848242 has 8 divisors (see below), whose sum is σ = 43981932. Its totient is φ = 14187600.

The previous prime is 28848217. The next prime is 28848247. The reversal of 28848242 is 24284882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21335161 + 7513081 = 4619^2 + 2741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28848196 and 28848205.

It is not an unprimeable number, because it can be changed into a prime (28848247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118109 + ... + 118352.

Almost surely, 228848242 is an apocalyptic number.

28848242 is a deficient number, since it is larger than the sum of its proper divisors (15133690).

28848242 is a wasteful number, since it uses less digits than its factorization.

28848242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236524.

The product of its digits is 65536, while the sum is 38.

The square root of 28848242 is about 5371.0559483215. The cubic root of 28848242 is about 306.6948270192.

The spelling of 28848242 in words is "twenty-eight million, eight hundred forty-eight thousand, two hundred forty-two".

Divisors: 1 2 61 122 236461 472922 14424121 28848242