Search a number
-
+
42616757 = 67636071
BaseRepresentation
bin1010001010010…
…0011110110101
32222012011012102
42202210132311
541402214012
64121231445
71025144051
oct242443665
988164172
1042616757
1122068667
1212332585
138aa1921
145934c61
153b1c2c2
hex28a47b5

42616757 has 4 divisors (see below), whose sum is σ = 43252896. Its totient is φ = 41980620.

The previous prime is 42616751. The next prime is 42616771. The reversal of 42616757 is 75761624.

42616757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42616757 - 210 = 42615733 is a prime.

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 42616757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42616751) 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, 317969 + ... + 318102.

It is an arithmetic number, because the mean of its divisors is an integer number (10813224).

Almost surely, 242616757 is an apocalyptic number.

It is an amenable number.

42616757 is a deficient number, since it is larger than the sum of its proper divisors (636139).

42616757 is an equidigital number, since it uses as much as digits as its factorization.

42616757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636138.

The product of its digits is 70560, while the sum is 38.

The square root of 42616757 is about 6528.1511165107. The cubic root of 42616757 is about 349.2958823902.

The spelling of 42616757 in words is "forty-two million, six hundred sixteen thousand, seven hundred fifty-seven".

Divisors: 1 67 636071 42616757