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11190517 = 13860809
BaseRepresentation
bin101010101100…
…000011110101
3210001112111121
4222230003311
510331044032
61035503541
7164055262
oct52540365
923045447
1011190517
116353668
1238b7bb1
13241a710
1416b4269
15eb0a97
hexaac0f5

11190517 has 4 divisors (see below), whose sum is σ = 12051340. Its totient is φ = 10329696.

The previous prime is 11190493. The next prime is 11190527. The reversal of 11190517 is 71509111.

11190517 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 an emirpimes, since its reverse is a distinct semiprime: 71509111 = 101708011.

It can be written as a sum of positive squares in 2 ways, for example, as 6922161 + 4268356 = 2631^2 + 2066^2 .

It is a de Polignac number, because none of the positive numbers 2k-11190517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11190491 and 11190500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11190527) 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, 430392 + ... + 430417.

It is an arithmetic number, because the mean of its divisors is an integer number (3012835).

Almost surely, 211190517 is an apocalyptic number.

It is an amenable number.

11190517 is a deficient number, since it is larger than the sum of its proper divisors (860823).

11190517 is an equidigital number, since it uses as much as digits as its factorization.

11190517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860822.

The product of its (nonzero) digits is 315, while the sum is 25.

The square root of 11190517 is about 3345.2230119979. The cubic root of 11190517 is about 223.6746245906.

Adding to 11190517 its reverse (71509111), we get a palindrome (82699628).

The spelling of 11190517 in words is "eleven million, one hundred ninety thousand, five hundred seventeen".

Divisors: 1 13 860809 11190517