Search a number
-
+
10218077 = 97105341
BaseRepresentation
bin100110111110…
…101001011101
3201020010120022
4212332221131
510103434302
61003001525
7152565212
oct46765135
921203508
1010218077
115849aa1
1235092a5
132169bcc
1414ddb09
15d6c8a2
hex9bea5d

10218077 has 4 divisors (see below), whose sum is σ = 10323516. Its totient is φ = 10112640.

The previous prime is 10218073. The next prime is 10218079. The reversal of 10218077 is 77081201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1331716 + 8886361 = 1154^2 + 2981^2 .

It is a cyclic number.

It is not a de Polignac number, because 10218077 - 22 = 10218073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10218073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52574 + ... + 52767.

It is an arithmetic number, because the mean of its divisors is an integer number (2580879).

Almost surely, 210218077 is an apocalyptic number.

It is an amenable number.

10218077 is a deficient number, since it is larger than the sum of its proper divisors (105439).

10218077 is an equidigital number, since it uses as much as digits as its factorization.

10218077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105438.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 10218077 is about 3196.5726958729. The cubic root of 10218077 is about 216.9983293917.

Adding to 10218077 its reverse (77081201), we get a palindrome (87299278).

The spelling of 10218077 in words is "ten million, two hundred eighteen thousand, seventy-seven".

Divisors: 1 97 105341 10218077