Search a number
-
+
105231168 = 2632726099
BaseRepresentation
bin1100100010110…
…11001101000000
321100000022000200
412101123031000
5203414344133
614235245200
72415310260
oct621331500
9240008020
10105231168
1154444809
122b2a9800
1318a55883
14dd937a0
159389913
hex645b340

105231168 has 84 divisors (see below), whose sum is σ = 344728800. Its totient is φ = 30064896.

The previous prime is 105231163. The next prime is 105231199. The reversal of 105231168 is 861132501.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×1052311682 = 22147197437288448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105231163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9018 + ... + 17081.

Almost surely, 2105231168 is an apocalyptic number.

105231168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

105231168 is an abundant number, since it is smaller than the sum of its proper divisors (239497632).

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

105231168 is a wasteful number, since it uses less digits than its factorization.

105231168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26124 (or 26111 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 105231168 is about 10258.2244077618. The cubic root of 105231168 is about 472.1153601013.

Adding to 105231168 its reverse (861132501), we get a palindrome (966363669).

The spelling of 105231168 in words is "one hundred five million, two hundred thirty-one thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 144 168 192 224 252 288 336 448 504 576 672 1008 1344 2016 4032 26099 52198 78297 104396 156594 182693 208792 234891 313188 365386 417584 469782 548079 626376 730772 835168 939564 1096158 1252752 1461544 1644237 1670336 1879128 2192316 2505504 2923088 3288474 3758256 4384632 5011008 5846176 6576948 7516512 8769264 11692352 13153896 15033024 17538528 26307792 35077056 52615584 105231168