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11461 = 73157
BaseRepresentation
bin10110011000101
3120201111
42303011
5331321
6125021
745262
oct26305
916644
1011461
11867a
126771
1352a8
144269
1535e1
hex2cc5

11461 has 4 divisors (see below), whose sum is σ = 11692. Its totient is φ = 11232.

The previous prime is 11447. The next prime is 11467. The reversal of 11461 is 16411.

Adding to 11461 its reverse (16411), we get a palindrome (27872).

Subtracting 11461 from its reverse (16411), we obtain a triangular number (4950 = T99).

11461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4900 + 6561 = 70^2 + 81^2 .

It is a cyclic number.

It is not a de Polignac number, because 11461 - 29 = 10949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6 + ... + 151.

It is an arithmetic number, because the mean of its divisors is an integer number (2923).

211461 is an apocalyptic number.

It is an amenable number.

11461 is a deficient number, since it is larger than the sum of its proper divisors (231).

11461 is an equidigital number, since it uses as much as digits as its factorization.

11461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 24, while the sum is 13.

The square root of 11461 is about 107.0560600807. The cubic root of 11461 is about 22.5462423455.

The spelling of 11461 in words is "eleven thousand, four hundred sixty-one".

Divisors: 1 73 157 11461