Search a number
-
+
131440110 = 23533713001
BaseRepresentation
bin1111101010110…
…01110111101110
3100011022211221020
413311121313232
5232122040420
621013115010
73154136214
oct765316756
9304284836
10131440110
116821599a
1238028a66
1321301119
1413656cb4
15b815340
hex7d59dee

131440110 has 32 divisors (see below), whose sum is σ = 316416672. Its totient is φ = 34944000.

The previous prime is 131440091. The next prime is 131440117. The reversal of 131440110 is 11044131.

131440110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 131440110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131440117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3610 + ... + 16610.

It is an arithmetic number, because the mean of its divisors is an integer number (9888021).

Almost surely, 2131440110 is an apocalyptic number.

131440110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131440110 is an abundant number, since it is smaller than the sum of its proper divisors (184976562).

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

131440110 is a wasteful number, since it uses less digits than its factorization.

131440110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 131440110 is about 11464.7333156947. The cubic root of 131440110 is about 508.4434277949.

Adding to 131440110 its reverse (11044131), we get a palindrome (142484241).

The spelling of 131440110 in words is "one hundred thirty-one million, four hundred forty thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 337 674 1011 1685 2022 3370 5055 10110 13001 26002 39003 65005 78006 130010 195015 390030 4381337 8762674 13144011 21906685 26288022 43813370 65720055 131440110