Search a number
-
+
13366345 = 53537573
BaseRepresentation
bin110010111111…
…010001001001
3221011002011211
4302333101021
511410210340
61154253121
7221416636
oct62772111
927132154
1013366345
1175aa373
1245871a1
1329ccba5
141abd18d
1512905ea
hexcbf449

13366345 has 8 divisors (see below), whose sum is σ = 16087176. Its totient is φ = 10661376.

The previous prime is 13366319. The next prime is 13366387. The reversal of 13366345 is 54366331.

It can be written as a sum of positive squares in 4 ways, for example, as 4822416 + 8543929 = 2196^2 + 2923^2 .

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 13366345 - 211 = 13364297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2022 + ... + 5551.

It is an arithmetic number, because the mean of its divisors is an integer number (2010897).

Almost surely, 213366345 is an apocalyptic number.

It is an amenable number.

13366345 is a deficient number, since it is larger than the sum of its proper divisors (2720831).

13366345 is an equidigital number, since it uses as much as digits as its factorization.

13366345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931.

The product of its digits is 19440, while the sum is 31.

The square root of 13366345 is about 3656.0012308532. The cubic root of 13366345 is about 237.3217573065.

The spelling of 13366345 in words is "thirteen million, three hundred sixty-six thousand, three hundred forty-five".

Divisors: 1 5 353 1765 7573 37865 2673269 13366345