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11411669 = 89128221
BaseRepresentation
bin101011100010…
…000011010101
3210110202212102
4223202003111
510410133134
61044331445
7165666113
oct53420325
923422772
1011411669
116494835
1239a3b85
132497289
141730ab3
15100637e
hexae20d5

11411669 has 4 divisors (see below), whose sum is σ = 11539980. Its totient is φ = 11283360.

The previous prime is 11411663. The next prime is 11411671. The reversal of 11411669 is 96611411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3783025 + 7628644 = 1945^2 + 2762^2 .

It is a cyclic number.

It is not a de Polignac number, because 11411669 - 212 = 11407573 is a prime.

It is a super-2 number, since 2×114116692 = 260452378731122, 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 (11411663) 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, 64022 + ... + 64199.

It is an arithmetic number, because the mean of its divisors is an integer number (2884995).

Almost surely, 211411669 is an apocalyptic number.

It is an amenable number.

11411669 is a deficient number, since it is larger than the sum of its proper divisors (128311).

11411669 is an equidigital number, since it uses as much as digits as its factorization.

11411669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128310.

The product of its digits is 1296, while the sum is 29.

The square root of 11411669 is about 3378.1161910153. The cubic root of 11411669 is about 225.1384760744.

The spelling of 11411669 in words is "eleven million, four hundred eleven thousand, six hundred sixty-nine".

Divisors: 1 89 128221 11411669