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11552117 = 57720021
BaseRepresentation
bin101100000100…
…010101110101
3210201220112012
4230010111311
510424131432
61051334005
7200122433
oct54042565
923656465
1011552117
116580305
123a51305
132516195
141769d53
151032cb2
hexb04575

11552117 has 4 divisors (see below), whose sum is σ = 11572716. Its totient is φ = 11531520.

The previous prime is 11552113. The next prime is 11552131. The reversal of 11552117 is 71125511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71125511 = 81187701.

It can be written as a sum of positive squares in 2 ways, for example, as 6507601 + 5044516 = 2551^2 + 2246^2 .

It is a cyclic number.

It is not a de Polignac number, because 11552117 - 22 = 11552113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11552092 and 11552101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9434 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (2893179).

Almost surely, 211552117 is an apocalyptic number.

It is an amenable number.

11552117 is a deficient number, since it is larger than the sum of its proper divisors (20599).

11552117 is an equidigital number, since it uses as much as digits as its factorization.

11552117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20598.

The product of its digits is 350, while the sum is 23.

The square root of 11552117 is about 3398.8405375951. The cubic root of 11552117 is about 226.0583358950.

Adding to 11552117 its reverse (71125511), we get a palindrome (82677628).

The spelling of 11552117 in words is "eleven million, five hundred fifty-two thousand, one hundred seventeen".

Divisors: 1 577 20021 11552117