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11138669 = 59188791
BaseRepresentation
bin101010011111…
…011001101101
3202221220101022
4222133121231
510322414134
61034423525
7163451153
oct52373155
922856338
1011138669
116318713
123891ba5
1323ccc39
14169d3d3
15ea052e
hexa9f66d

11138669 has 4 divisors (see below), whose sum is σ = 11327520. Its totient is φ = 10949820.

The previous prime is 11138651. The next prime is 11138707. The reversal of 11138669 is 96683111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11138669 - 212 = 11134573 is a prime.

It is a super-2 number, since 2×111386692 = 248139894183122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11138069) 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, 94337 + ... + 94454.

It is an arithmetic number, because the mean of its divisors is an integer number (2831880).

Almost surely, 211138669 is an apocalyptic number.

It is an amenable number.

11138669 is a deficient number, since it is larger than the sum of its proper divisors (188851).

11138669 is an equidigital number, since it uses as much as digits as its factorization.

11138669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188850.

The product of its digits is 7776, while the sum is 35.

The square root of 11138669 is about 3337.4644567396. The cubic root of 11138669 is about 223.3286459747.

The spelling of 11138669 in words is "eleven million, one hundred thirty-eight thousand, six hundred sixty-nine".

Divisors: 1 59 188791 11138669