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11690 = 257167
BaseRepresentation
bin10110110101010
3121000222
42312222
5333230
6130042
746040
oct26652
917028
1011690
118868
126922
135423
144390
1536e5
hex2daa

11690 has 16 divisors (see below), whose sum is σ = 24192. Its totient is φ = 3984.

The previous prime is 11689. The next prime is 11699. The reversal of 11690 is 9611.

It is a super-2 number, since 2×116902 = 273312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11699) 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, 14 + ... + 153.

It is an arithmetic number, because the mean of its divisors is an integer number (1512).

211690 is an apocalyptic number.

11690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11690 is an abundant number, since it is smaller than the sum of its proper divisors (12502).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12096).

11690 is a wasteful number, since it uses less digits than its factorization.

11690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 11690 is about 108.1203033662. The cubic root of 11690 is about 22.6954171889.

It can be divided in two parts, 116 and 90, that multiplied together give a triangular number (10440 = T144).

The spelling of 11690 in words is "eleven thousand, six hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 167 334 835 1169 1670 2338 5845 11690