Search a number
-
+
11689104 = 2437191831
BaseRepresentation
bin101100100101…
…110010010000
3210222212102210
4230211302100
510443022404
61054312120
7201233010
oct54456220
923885383
1011689104
116664219
123ab8640
13256363b
1417a3c40
15105d689
hexb25c90

11689104 has 80 divisors (see below), whose sum is σ = 36346880. Its totient is φ = 3162240.

The previous prime is 11689103. The next prime is 11689109. The reversal of 11689104 is 40198611.

It is not an unprimeable number, because it can be changed into a prime (11689103) 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, 5469 + ... + 7299.

It is an arithmetic number, because the mean of its divisors is an integer number (454336).

Almost surely, 211689104 is an apocalyptic number.

11689104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11689104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18173440).

11689104 is an abundant number, since it is smaller than the sum of its proper divisors (24657776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11689104 is a wasteful number, since it uses less digits than its factorization.

11689104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1862 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11689104 is about 3418.9331669397. The cubic root of 11689104 is about 226.9483733112.

The spelling of 11689104 in words is "eleven million, six hundred eighty-nine thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 399 456 532 798 912 1064 1596 1831 2128 3192 3662 5493 6384 7324 10986 12817 14648 21972 25634 29296 34789 38451 43944 51268 69578 76902 87888 102536 104367 139156 153804 205072 208734 243523 278312 307608 417468 487046 556624 615216 730569 834936 974092 1461138 1669872 1948184 2922276 3896368 5844552 11689104