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13030385 = 53184067
BaseRepresentation
bin110001101101…
…001111110001
3220112000022212
4301231033301
511313433020
61143141505
7215520314
oct61551761
926460285
1013030385
11739aa15
124444895
132912cb4
141a3297b
151225cc5
hexc6d3f1

13030385 has 8 divisors (see below), whose sum is σ = 16141056. Its totient is φ = 10087920.

The previous prime is 13030379. The next prime is 13030403. The reversal of 13030385 is 58303031.

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

It is not a de Polignac number, because 13030385 - 212 = 13026289 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 13030385.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41879 + ... + 42188.

It is an arithmetic number, because the mean of its divisors is an integer number (2017632).

Almost surely, 213030385 is an apocalyptic number.

It is an amenable number.

13030385 is a deficient number, since it is larger than the sum of its proper divisors (3110671).

13030385 is an equidigital number, since it uses as much as digits as its factorization.

13030385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84103.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13030385 is about 3609.7624575587. The cubic root of 13030385 is about 235.3165193193.

The spelling of 13030385 in words is "thirteen million, thirty thousand, three hundred eighty-five".

Divisors: 1 5 31 155 84067 420335 2606077 13030385