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11068661 = 372931021
BaseRepresentation
bin101010001110…
…010011110101
3202211100100102
4222032103311
510313144121
61033123445
7163040102
oct52162365
922740312
1011068661
11628005a
123859585
1323a7106
141681aa9
15e8990b
hexa8e4f5

11068661 has 8 divisors (see below), whose sum is σ = 11417784. Its totient is φ = 10722240.

The previous prime is 11068639. The next prime is 11068667. The reversal of 11068661 is 16686011.

It can be written as a sum of positive squares in 4 ways, for example, as 7187761 + 3880900 = 2681^2 + 1970^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11068661 - 26 = 11068597 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 (11068667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10331 + ... + 11351.

It is an arithmetic number, because the mean of its divisors is an integer number (1427223).

Almost surely, 211068661 is an apocalyptic number.

It is an amenable number.

11068661 is a deficient number, since it is larger than the sum of its proper divisors (349123).

11068661 is a wasteful number, since it uses less digits than its factorization.

11068661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 11068661 is about 3326.9597232308. The cubic root of 11068661 is about 222.8597789950.

The spelling of 11068661 in words is "eleven million, sixty-eight thousand, six hundred sixty-one".

Divisors: 1 37 293 1021 10841 37777 299153 11068661