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11080391 = 74733679
BaseRepresentation
bin101010010001…
…001011000111
3202211221102212
4222101023013
510314033031
61033254035
7163116230
oct52211307
922757385
1011080391
116288953
12386431b
1323ac55a
141686087
15e8d12b
hexa912c7

11080391 has 8 divisors (see below), whose sum is σ = 12933120. Its totient is φ = 9295128.

The previous prime is 11080387. The next prime is 11080409. The reversal of 11080391 is 19308011.

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 11080391 - 22 = 11080387 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 (11080301) 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 7 ways as a sum of consecutive naturals, for example, 16511 + ... + 17168.

It is an arithmetic number, because the mean of its divisors is an integer number (1616640).

Almost surely, 211080391 is an apocalyptic number.

11080391 is a deficient number, since it is larger than the sum of its proper divisors (1852729).

11080391 is an equidigital number, since it uses as much as digits as its factorization.

11080391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33733.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11080391 is about 3328.7221271833. The cubic root of 11080391 is about 222.9384763281.

The spelling of 11080391 in words is "eleven million, eighty thousand, three hundred ninety-one".

Divisors: 1 7 47 329 33679 235753 1582913 11080391