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13384321 = 172334231
BaseRepresentation
bin110011000011…
…101010000001
3221011222211121
4303003222001
511411244241
61154512241
7221523226
oct63035201
927158747
1013384321
117611925
124595681
132a08122
141ac594d
151295ad1
hexcc3a81

13384321 has 8 divisors (see below), whose sum is σ = 14788224. Its totient is φ = 12048960.

The previous prime is 13384313. The next prime is 13384339. The reversal of 13384321 is 12348331.

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 13384321 - 23 = 13384313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13384391) 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, 16725 + ... + 17506.

It is an arithmetic number, because the mean of its divisors is an integer number (1848528).

Almost surely, 213384321 is an apocalyptic number.

It is an amenable number.

13384321 is a deficient number, since it is larger than the sum of its proper divisors (1403903).

13384321 is a wasteful number, since it uses less digits than its factorization.

13384321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34271.

The product of its digits is 1728, while the sum is 25.

The square root of 13384321 is about 3658.4588285233. The cubic root of 13384321 is about 237.4280986409.

The spelling of 13384321 in words is "thirteen million, three hundred eighty-four thousand, three hundred twenty-one".

Divisors: 1 17 23 391 34231 581927 787313 13384321