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13673705 = 54166701
BaseRepresentation
bin110100001010…
…010011101001
3221201200210112
4310022103221
512000024310
61205024105
7224140013
oct64122351
927650715
1013673705
11779a291
1246b5035
132aa9a66
141b5d1b3
151301705
hexd0a4e9

13673705 has 8 divisors (see below), whose sum is σ = 16808904. Its totient is φ = 10672000.

The previous prime is 13673701. The next prime is 13673719. The reversal of 13673705 is 50737631.

It can be written as a sum of positive squares in 4 ways, for example, as 72361 + 13601344 = 269^2 + 3688^2 .

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

It is not a de Polignac number, because 13673705 - 22 = 13673701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13673701) 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, 33146 + ... + 33555.

It is an arithmetic number, because the mean of its divisors is an integer number (2101113).

Almost surely, 213673705 is an apocalyptic number.

It is an amenable number.

13673705 is a deficient number, since it is larger than the sum of its proper divisors (3135199).

13673705 is an equidigital number, since it uses as much as digits as its factorization.

13673705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66747.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 13673705 is about 3697.7973173228. The cubic root of 13673705 is about 239.1270660611.

The spelling of 13673705 in words is "thirteen million, six hundred seventy-three thousand, seven hundred five".

Divisors: 1 5 41 205 66701 333505 2734741 13673705