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11690085 = 351170849
BaseRepresentation
bin101100100110…
…000001100101
3210222220210010
4230212001211
510443040320
61054320433
7201235611
oct54460145
923886703
1011690085
116664a30
123ab9119
132563c14
1417a4341
15105dae0
hexb26065

11690085 has 16 divisors (see below), whose sum is σ = 20404800. Its totient is φ = 5667840.

The previous prime is 11690059. The next prime is 11690089. The reversal of 11690085 is 58009611.

It is a happy number.

It is not a de Polignac number, because 11690085 - 25 = 11690053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11690089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35260 + ... + 35589.

It is an arithmetic number, because the mean of its divisors is an integer number (1275300).

Almost surely, 211690085 is an apocalyptic number.

11690085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11690085 is a deficient number, since it is larger than the sum of its proper divisors (8714715).

11690085 is a wasteful number, since it uses less digits than its factorization.

11690085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70868.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 11690085 is about 3419.0766297350. The cubic root of 11690085 is about 226.9547219622.

Adding to 11690085 its reverse (58009611), we get a palindrome (69699696).

It can be divided in two parts, 11 and 690085, that added together give a palindrome (690096).

The spelling of 11690085 in words is "eleven million, six hundred ninety thousand, eighty-five".

Divisors: 1 3 5 11 15 33 55 165 70849 212547 354245 779339 1062735 2338017 3896695 11690085