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13494081 = 34498027
BaseRepresentation
bin110011011110…
…011101000001
3221101120101210
4303132131001
511423302311
61201120333
7222461226
oct63363501
927346353
1013494081
117687337
1246290a9
132a46083
141b1394d
1512b83a6
hexcde741

13494081 has 4 divisors (see below), whose sum is σ = 17992112. Its totient is φ = 8996052.

The previous prime is 13494071. The next prime is 13494097. The reversal of 13494081 is 18049431.

It is a happy number.

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 not a de Polignac number, because 13494081 - 25 = 13494049 is a prime.

It is a super-2 number, since 2×134940812 = 364180444069122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13494071) 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, 2249011 + ... + 2249016.

It is an arithmetic number, because the mean of its divisors is an integer number (4498028).

Almost surely, 213494081 is an apocalyptic number.

It is an amenable number.

13494081 is a deficient number, since it is larger than the sum of its proper divisors (4498031).

13494081 is an equidigital number, since it uses as much as digits as its factorization.

13494081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498030.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 13494081 is about 3673.4290519894. The cubic root of 13494081 is about 238.0753533495.

The spelling of 13494081 in words is "thirteen million, four hundred ninety-four thousand, eighty-one".

Divisors: 1 3 4498027 13494081