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13460449 = 89151241
BaseRepresentation
bin110011010110…
…001111100001
3221022212021011
4303112033201
511421213244
61200300521
7222261202
oct63261741
927285234
1013460449
117664042
124611741
132a33982
141b055a9
1512ad434
hexcd63e1

13460449 has 4 divisors (see below), whose sum is σ = 13611780. Its totient is φ = 13309120.

The previous prime is 13460441. The next prime is 13460453. The reversal of 13460449 is 94406431.

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 2117025 + 11343424 = 1455^2 + 3368^2 .

It is a cyclic number.

It is not a de Polignac number, because 13460449 - 23 = 13460441 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13460449.

It is not an unprimeable number, because it can be changed into a prime (13460441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75532 + ... + 75709.

It is an arithmetic number, because the mean of its divisors is an integer number (3402945).

Almost surely, 213460449 is an apocalyptic number.

It is an amenable number.

13460449 is a deficient number, since it is larger than the sum of its proper divisors (151331).

13460449 is an equidigital number, since it uses as much as digits as its factorization.

13460449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151330.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 13460449 is about 3668.8484569412. The cubic root of 13460449 is about 237.8773996058.

The spelling of 13460449 in words is "thirteen million, four hundred sixty thousand, four hundred forty-nine".

Divisors: 1 89 151241 13460449