Search a number
-
+
42928766 = 2472571777
BaseRepresentation
bin1010001111000…
…0101001111110
32222210000012022
42203300221332
541442210031
64132040142
71030613516
oct243605176
988700168
1042928766
1122261021
1212463052
138b8094a
1459b6846
153b7e97b
hex28f0a7e

42928766 has 16 divisors (see below), whose sum is σ = 66056256. Its totient is φ = 20914176.

The previous prime is 42928759. The next prime is 42928783. The reversal of 42928766 is 66782924.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23270 + ... + 25046.

It is an arithmetic number, because the mean of its divisors is an integer number (4128516).

Almost surely, 242928766 is an apocalyptic number.

42928766 is a deficient number, since it is larger than the sum of its proper divisors (23127490).

42928766 is a wasteful number, since it uses less digits than its factorization.

42928766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083.

The product of its digits is 290304, while the sum is 44.

The square root of 42928766 is about 6552.0047313780. The cubic root of 42928766 is about 350.1462409283.

The spelling of 42928766 in words is "forty-two million, nine hundred twenty-eight thousand, seven hundred sixty-six".

Divisors: 1 2 47 94 257 514 1777 3554 12079 24158 83519 167038 456689 913378 21464383 42928766