Search a number
-
+
28326748 = 2220173511
BaseRepresentation
bin110110000001…
…1101101011100
31222022010222211
41230003231130
524222423443
62451050204
7462526162
oct154035534
958263884
1028326748
1114a9833a
1295a0964
135b3a4b8
143a95232
15274819d
hex1b03b5c

28326748 has 12 divisors (see below), whose sum is σ = 49610512. Its totient is φ = 14152320.

The previous prime is 28326737. The next prime is 28326769. The reversal of 28326748 is 84762382.

It is a self number, because there is not a number n which added to its sum of digits gives 28326748.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 6313 + ... + 9823.

Almost surely, 228326748 is an apocalyptic number.

It is an amenable number.

28326748 is a deficient number, since it is larger than the sum of its proper divisors (21283764).

28326748 is a wasteful number, since it uses less digits than its factorization.

28326748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5530 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 28326748 is about 5322.2878539215. The cubic root of 28326748 is about 304.8355218163.

The spelling of 28326748 in words is "twenty-eight million, three hundred twenty-six thousand, seven hundred forty-eight".

Divisors: 1 2 4 2017 3511 4034 7022 8068 14044 7081687 14163374 28326748