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13409011 = 711174143
BaseRepresentation
bin110011001001…
…101011110011
3221020020201001
4303021223303
511413042021
61155222431
7221655220
oct63115363
927206631
1013409011
117629430
1245a7a17
132a16435
141ad0947
15129d091
hexcc9af3

13409011 has 8 divisors (see below), whose sum is σ = 16717824. Its totient is φ = 10448520.

The previous prime is 13408987. The next prime is 13409017. The reversal of 13409011 is 11090431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13409011 - 25 = 13408979 is a prime.

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 13409011.

It is not an unprimeable number, because it can be changed into a prime (13409017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86995 + ... + 87148.

It is an arithmetic number, because the mean of its divisors is an integer number (2089728).

Almost surely, 213409011 is an apocalyptic number.

13409011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13409011 is a deficient number, since it is larger than the sum of its proper divisors (3308813).

13409011 is a wasteful number, since it uses less digits than its factorization.

13409011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174161.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 13409011 is about 3661.8316455020. The cubic root of 13409011 is about 237.5740031622.

Adding to 13409011 its reverse (11090431), we get a palindrome (24499442).

The spelling of 13409011 in words is "thirteen million, four hundred nine thousand, eleven".

Divisors: 1 7 11 77 174143 1219001 1915573 13409011