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11129413 = 80913757
BaseRepresentation
bin101010011101…
…001001000101
3202221102200111
4222131021011
510322120123
61034313021
7163412161
oct52351105
922842614
1011129413
116311769
123888771
1323c8969
141699ca1
15e9c90d
hexa9d245

11129413 has 4 divisors (see below), whose sum is σ = 11143980. Its totient is φ = 11114848.

The previous prime is 11129357. The next prime is 11129423. The reversal of 11129413 is 31492111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31492111 = 74498873.

It can be written as a sum of positive squares in 2 ways, for example, as 4743684 + 6385729 = 2178^2 + 2527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11129413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11129423) 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, 6070 + ... + 7687.

It is an arithmetic number, because the mean of its divisors is an integer number (2785995).

Almost surely, 211129413 is an apocalyptic number.

It is an amenable number.

11129413 is a deficient number, since it is larger than the sum of its proper divisors (14567).

11129413 is an equidigital number, since it uses as much as digits as its factorization.

11129413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14566.

The product of its digits is 216, while the sum is 22.

The square root of 11129413 is about 3336.0774871097. The cubic root of 11129413 is about 223.2667683605.

The spelling of 11129413 in words is "eleven million, one hundred twenty-nine thousand, four hundred thirteen".

Divisors: 1 809 13757 11129413