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11316891 = 331121687
BaseRepresentation
bin101011001010…
…111010011011
3210021221212010
4223022322123
510344120031
61042321003
7165122565
oct53127233
923257763
1011316891
11642a603
123959163
1324630b1
141708335
15ed8246
hexacae9b

11316891 has 8 divisors (see below), whose sum is σ = 15576064. Its totient is φ = 7301160.

The previous prime is 11316881. The next prime is 11316911. The reversal of 11316891 is 19861311.

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

It is not a de Polignac number, because 11316891 - 25 = 11316859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11316871) 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, 60751 + ... + 60936.

It is an arithmetic number, because the mean of its divisors is an integer number (1947008).

Almost surely, 211316891 is an apocalyptic number.

11316891 is a deficient number, since it is larger than the sum of its proper divisors (4259173).

11316891 is a wasteful number, since it uses less digits than its factorization.

11316891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121721.

The product of its digits is 1296, while the sum is 30.

The square root of 11316891 is about 3364.0587093569. The cubic root of 11316891 is about 224.5134572945.

The spelling of 11316891 in words is "eleven million, three hundred sixteen thousand, eight hundred ninety-one".

Divisors: 1 3 31 93 121687 365061 3772297 11316891