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11687085 = 3559619
BaseRepresentation
bin101100100101…
…010010101101
3210222202200000
4230211102231
510442441320
61054254513
7201224064
oct54452255
923882600
1011687085
116662753
123ab7439
132562747
1417a31db
15105cc90
hexb254ad

11687085 has 24 divisors (see below), whose sum is σ = 21010080. Its totient is φ = 6232464.

The previous prime is 11687077. The next prime is 11687111. The reversal of 11687085 is 58078611.

11687085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11687085 - 23 = 11687077 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3595 + ... + 6024.

It is an arithmetic number, because the mean of its divisors is an integer number (875420).

Almost surely, 211687085 is an apocalyptic number.

11687085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11687085 is a deficient number, since it is larger than the sum of its proper divisors (9322995).

11687085 is an frugal number, since it uses more digits than its factorization.

11687085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639 (or 9627 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 11687085 is about 3418.6378866443. The cubic root of 11687085 is about 226.9353060094.

The spelling of 11687085 in words is "eleven million, six hundred eighty-seven thousand, eighty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 1215 9619 28857 48095 86571 144285 259713 432855 779139 1298565 2337417 3895695 11687085