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13048105 = 57372803
BaseRepresentation
bin110001110001…
…100100101001
3220112220122011
4301301210221
511320014410
61143355521
7215623060
oct61614451
926486564
1013048105
117402264
124452ba1
13291b095
141a391d7
15122b18a
hexc71929

13048105 has 8 divisors (see below), whose sum is σ = 17894592. Its totient is φ = 8947248.

The previous prime is 13048103. The next prime is 13048111. The reversal of 13048105 is 50184031.

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 13048105 - 21 = 13048103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13048103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186367 + ... + 186436.

It is an arithmetic number, because the mean of its divisors is an integer number (2236824).

Almost surely, 213048105 is an apocalyptic number.

It is an amenable number.

13048105 is a deficient number, since it is larger than the sum of its proper divisors (4846487).

13048105 is an equidigital number, since it uses as much as digits as its factorization.

13048105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372815.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13048105 is about 3612.2160788081. The cubic root of 13048105 is about 235.4231398573.

It can be divided in two parts, 1304 and 8105, that added together give a square (9409 = 972).

The spelling of 13048105 in words is "thirteen million, forty-eight thousand, one hundred five".

Divisors: 1 5 7 35 372803 1864015 2609621 13048105