Search a number
-
+
42806768 = 242675423
BaseRepresentation
bin1010001101001…
…0110111110000
32222112210211212
42203102313300
541424304033
64125255252
71026565034
oct243226760
988483755
1042806768
11221883a4
1212404528
138b3a264
1459841c4
153b58748
hex28d2df0

42806768 has 10 divisors (see below), whose sum is σ = 82938144. Its totient is φ = 21403376.

The previous prime is 42806723. The next prime is 42806783. The reversal of 42806768 is 86760824.

42806768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 as a sum of consecutive naturals, namely, 1337696 + ... + 1337727.

Almost surely, 242806768 is an apocalyptic number.

It is an amenable number.

42806768 is a deficient number, since it is larger than the sum of its proper divisors (40131376).

42806768 is a wasteful number, since it uses less digits than its factorization.

42806768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675431 (or 2675425 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 42806768 is about 6542.6881325645. The cubic root of 42806768 is about 349.8142361164.

The spelling of 42806768 in words is "forty-two million, eight hundred six thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 2675423 5350846 10701692 21403384 42806768