Search a number
-
+
111116408 = 231319531061
BaseRepresentation
bin1101001111110…
…00000001111000
321202002022001112
412213320001320
5211421211113
615005335452
72516321354
oct647700170
9252068045
10111116408
11577a4447
1231267588
131a036570
1410a86464
159b4d5a8
hex69f8078

111116408 has 64 divisors (see below), whose sum is σ = 240861600. Its totient is φ = 47623680.

The previous prime is 111116407. The next prime is 111116449. The reversal of 111116408 is 804611111.

It is a super-2 number, since 2×1111164082 = 24693712253644928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111116407) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 104198 + ... + 105258.

Almost surely, 2111116408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111116408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120430800).

111116408 is an abundant number, since it is smaller than the sum of its proper divisors (129745192).

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

111116408 is a wasteful number, since it uses less digits than its factorization.

111116408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 111116408 is about 10541.1767844013. The cubic root of 111116408 is about 480.7574960835.

Adding to 111116408 its reverse (804611111), we get a palindrome (915727519).

The spelling of 111116408 in words is "one hundred eleven million, one hundred sixteen thousand, four hundred eight".

Divisors: 1 2 4 8 13 19 26 38 52 53 76 104 106 152 212 247 424 494 689 988 1007 1061 1378 1976 2014 2122 2756 4028 4244 5512 8056 8488 13091 13793 20159 26182 27586 40318 52364 55172 56233 80636 104728 110344 112466 161272 224932 262067 449864 524134 731029 1048268 1068427 1462058 2096536 2136854 2924116 4273708 5848232 8547416 13889551 27779102 55558204 111116408