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115441 = 671723
BaseRepresentation
bin11100001011110001
312212100121
4130023301
512143231
62250241
7660364
oct341361
9185317
10115441
1179807
1256981
1340711
14300db
1524311
hex1c2f1

115441 has 4 divisors (see below), whose sum is σ = 117232. Its totient is φ = 113652.

The previous prime is 115429. The next prime is 115459. The reversal of 115441 is 144511.

Adding to 115441 its reverse (144511), we get a palindrome (259952).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115441 is a prime.

It is a super-3 number, since 3×1154413 = 4615316570133363, which contains 333 as substring.

It is a pancake number, because a pancake can be divided into 115441 parts by 480 straight cuts.

It is a Duffinian number.

115441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (115421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (29308).

2115441 is an apocalyptic number.

It is an amenable number.

115441 is a deficient number, since it is larger than the sum of its proper divisors (1791).

115441 is an equidigital number, since it uses as much as digits as its factorization.

115441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790.

The product of its digits is 80, while the sum is 16.

The square root of 115441 is about 339.7660960131. The cubic root of 115441 is about 48.6915231336.

The spelling of 115441 in words is "one hundred fifteen thousand, four hundred forty-one".

Divisors: 1 67 1723 115441