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42772075 = 526132791
BaseRepresentation
bin1010001100101…
…0011001101011
32222111001020221
42203022121223
541422201300
64124430511
71026361633
oct243123153
988431227
1042772075
1122164325
12123a8437
138b27528
1459756c3
153b4d31a
hex28ca66b

42772075 has 12 divisors (see below), whose sum is σ = 53142928. Its totient is φ = 34149600.

The previous prime is 42772039. The next prime is 42772091. The reversal of 42772075 is 57027724.

42772075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42772075 - 27 = 42771947 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42772075.

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 11 ways as a sum of consecutive naturals, for example, 13930 + ... + 16720.

Almost surely, 242772075 is an apocalyptic number.

42772075 is a deficient number, since it is larger than the sum of its proper divisors (10370853).

42772075 is a wasteful number, since it uses less digits than its factorization.

42772075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 42772075 is about 6540.0363148839. The cubic root of 42772075 is about 349.7197075646.

Adding to 42772075 its reverse (57027724), we get a palindrome (99799799).

The spelling of 42772075 in words is "forty-two million, seven hundred seventy-two thousand, seventy-five".

Divisors: 1 5 25 613 2791 3065 13955 15325 69775 1710883 8554415 42772075