Search a number
-
+
6231105 = 325138469
BaseRepresentation
bin10111110001010001000001
3102201120110200
4113301101001
53043343410
6341315413
7103651326
oct27612101
912646420
106231105
113576581
122105b69
1313a225a
14b82b4d
158313c0
hex5f1441

6231105 has 12 divisors (see below), whose sum is σ = 10800660. Its totient is φ = 3323232.

The previous prime is 6231101. The next prime is 6231109. The reversal of 6231105 is 5011326.

It is an interprime number because it is at equal distance from previous prime (6231101) and next prime (6231109).

It can be written as a sum of positive squares in 2 ways, for example, as 2322576 + 3908529 = 1524^2 + 1977^2 .

It is not a de Polignac number, because 6231105 - 22 = 6231101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6231101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69190 + ... + 69279.

It is an arithmetic number, because the mean of its divisors is an integer number (900055).

Almost surely, 26231105 is an apocalyptic number.

It is an amenable number.

6231105 is a deficient number, since it is larger than the sum of its proper divisors (4569555).

6231105 is a wasteful number, since it uses less digits than its factorization.

6231105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138480 (or 138477 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 6231105 is about 2496.2181395062. The cubic root of 6231105 is about 184.0157614885.

It can be divided in two parts, 6231 and 105, that added together give a palindrome (6336).

The spelling of 6231105 in words is "six million, two hundred thirty-one thousand, one hundred five".

Divisors: 1 3 5 9 15 45 138469 415407 692345 1246221 2077035 6231105