[go: up one dir, main page]

Search a number
-
+
105168 = 2437313
BaseRepresentation
bin11001101011010000
312100021010
4121223100
511331133
62130520
7615420
oct315320
9170233
10105168
1172018
1250a40
1338b3b
142a480
1521263
hex19ad0

105168 has 40 divisors (see below), whose sum is σ = 311488. Its totient is φ = 29952.

The previous prime is 105167. The next prime is 105173. The reversal of 105168 is 861501.

It is a super-2 number, since 2×1051682 = 22120616448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105167) 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, 180 + ... + 492.

2105168 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 105168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155744).

105168 is an abundant number, since it is smaller than the sum of its proper divisors (206320).

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

105168 is a wasteful number, since it uses less digits than its factorization.

105168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 105168 is about 324.2961609393. The cubic root of 105168 is about 47.2020874304.

Adding to 105168 its reverse (861501), we get a palindrome (966669).

The spelling of 105168 in words is "one hundred five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 313 336 626 939 1252 1878 2191 2504 3756 4382 5008 6573 7512 8764 13146 15024 17528 26292 35056 52584 105168