Search a number
-
+
42574685 = 531726861
BaseRepresentation
bin1010001001101…
…0001101011101
32222010000111012
42202122031131
541344342220
64120305005
71024610306
oct242321535
988100435
1042574685
1122039a9a
1212312165
138a8872a
1459237ad
153b0eac5
hex289a35d

42574685 has 8 divisors (see below), whose sum is σ = 51252696. Its totient is φ = 33951040.

The previous prime is 42574673. The next prime is 42574691. The reversal of 42574685 is 58647524.

42574685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2859481 + 39715204 = 1691^2 + 6302^2 .

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

It is not a de Polignac number, because 42574685 - 24 = 42574669 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 11846 + ... + 15015.

It is an arithmetic number, because the mean of its divisors is an integer number (6406587).

Almost surely, 242574685 is an apocalyptic number.

It is an amenable number.

42574685 is a deficient number, since it is larger than the sum of its proper divisors (8678011).

42574685 is a wasteful number, since it uses less digits than its factorization.

42574685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27183.

The product of its digits is 268800, while the sum is 41.

The square root of 42574685 is about 6524.9279689511. The cubic root of 42574685 is about 349.1809008981.

The spelling of 42574685 in words is "forty-two million, five hundred seventy-four thousand, six hundred eighty-five".

Divisors: 1 5 317 1585 26861 134305 8514937 42574685