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11190491 = 132929683
BaseRepresentation
bin101010101100…
…000011011011
3210001112110122
4222230003123
510331043431
61035503455
7164055224
oct52540333
923045418
1011190491
116353644
1238b7b8b
13241a6c0
1416b424b
15eb0a7b
hexaac0db

11190491 has 8 divisors (see below), whose sum is σ = 12467280. Its totient is φ = 9973152.

The previous prime is 11190481. The next prime is 11190493. The reversal of 11190491 is 19409111.

11190491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11190491 - 218 = 10928347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11190491.

It is not an unprimeable number, because it can be changed into a prime (11190493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14465 + ... + 15218.

It is an arithmetic number, because the mean of its divisors is an integer number (1558410).

Almost surely, 211190491 is an apocalyptic number.

11190491 is a deficient number, since it is larger than the sum of its proper divisors (1276789).

11190491 is a wasteful number, since it uses less digits than its factorization.

11190491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29725.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 11190491 is about 3345.2191258571. The cubic root of 11190491 is about 223.6744513622.

The spelling of 11190491 in words is "eleven million, one hundred ninety thousand, four hundred ninety-one".

Divisors: 1 13 29 377 29683 385879 860807 11190491