Search a number
-
+
28856024 = 237349411
BaseRepresentation
bin110111000010…
…0111011011000
32000022001000122
41232010323120
524341343044
62510252412
7500162231
oct156047330
960261018
1028856024
1115319a5a
1297b7108
135c94392
143b92088
1527eedee
hex1b84ed8

28856024 has 16 divisors (see below), whose sum is σ = 54847320. Its totient is φ = 14230080.

The previous prime is 28855999. The next prime is 28856027. The reversal of 28856024 is 42065882.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28856027) by changing a digit.

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, 24122 + ... + 25289.

Almost surely, 228856024 is an apocalyptic number.

It is an amenable number.

28856024 is a deficient number, since it is larger than the sum of its proper divisors (25991296).

28856024 is a wasteful number, since it uses less digits than its factorization.

28856024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49490 (or 49486 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 28856024 is about 5371.7803380257. The cubic root of 28856024 is about 306.7224021780.

The spelling of 28856024 in words is "twenty-eight million, eight hundred fifty-six thousand, twenty-four".

Divisors: 1 2 4 8 73 146 292 584 49411 98822 197644 395288 3607003 7214006 14428012 28856024