Search a number
-
+
11121245 = 513116979
BaseRepresentation
bin101010011011…
…001001011101
3202221000110222
4222123021131
510321334440
61034211125
7163346312
oct52331135
922830428
1011121245
116306613
123883aa5
1323c5025
141696d09
15e9a2b5
hexa9b25d

11121245 has 8 divisors (see below), whose sum is σ = 13448160. Its totient is φ = 8828560.

The previous prime is 11121223. The next prime is 11121307. The reversal of 11121245 is 54212111.

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

It is a de Polignac number, because none of the positive numbers 2k-11121245 is a prime.

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, 7835 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (1681020).

Almost surely, 211121245 is an apocalyptic number.

It is an amenable number.

11121245 is a deficient number, since it is larger than the sum of its proper divisors (2326915).

11121245 is a wasteful number, since it uses less digits than its factorization.

11121245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17115.

The product of its digits is 80, while the sum is 17.

The square root of 11121245 is about 3334.8530702266. The cubic root of 11121245 is about 223.2121356715.

Adding to 11121245 its reverse (54212111), we get a palindrome (65333356).

The spelling of 11121245 in words is "eleven million, one hundred twenty-one thousand, two hundred forty-five".

Divisors: 1 5 131 655 16979 84895 2224249 11121245