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11808234 = 2331719677
BaseRepresentation
bin101101000010…
…110111101010
3211012220212000
4231002313222
511010330414
61101031430
7202240224
oct55026752
924186760
1011808234
116735779
123b55576
1325a5929
1417d5414
151083b09
hexb42dea

11808234 has 64 divisors (see below), whose sum is σ = 29289600. Its totient is φ = 3504384.

The previous prime is 11808227. The next prime is 11808257. The reversal of 11808234 is 43280811.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11808198 and 11808207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17104 + ... + 17780.

It is an arithmetic number, because the mean of its divisors is an integer number (457650).

Almost surely, 211808234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11808234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14644800).

11808234 is an abundant number, since it is smaller than the sum of its proper divisors (17481366).

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

11808234 is a wasteful number, since it uses less digits than its factorization.

11808234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 11808234 is about 3436.3111034946. The cubic root of 11808234 is about 227.7167535292.

The spelling of 11808234 in words is "eleven million, eight hundred eight thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 19 27 34 38 51 54 57 102 114 153 171 306 323 342 459 513 646 677 918 969 1026 1354 1938 2031 2907 4062 5814 6093 8721 11509 12186 12863 17442 18279 23018 25726 34527 36558 38589 69054 77178 103581 115767 207162 218671 231534 310743 347301 437342 621486 656013 694602 1312026 1968039 3936078 5904117 11808234