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13194005 = 511415851
BaseRepresentation
bin110010010101…
…001100010101
3220211022202212
4302111030111
511334202010
61150443205
7220101326
oct62251425
926738685
1013194005
1174a1940
124503505
13296c606
141a7644d
151259505
hexc95315

13194005 has 16 divisors (see below), whose sum is σ = 17696448. Its totient is φ = 9360000.

The previous prime is 13193987. The next prime is 13194007. The reversal of 13194005 is 50049131.

It is a happy number.

It is not a de Polignac number, because 13194005 - 210 = 13192981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13194007) 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 15 ways as a sum of consecutive naturals, for example, 671 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (1106028).

Almost surely, 213194005 is an apocalyptic number.

It is an amenable number.

13194005 is a deficient number, since it is larger than the sum of its proper divisors (4502443).

13194005 is a wasteful number, since it uses less digits than its factorization.

13194005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13194005 is about 3632.3552964984. The cubic root of 13194005 is about 236.2973664627.

The spelling of 13194005 in words is "thirteen million, one hundred ninety-four thousand, five".

Divisors: 1 5 11 41 55 205 451 2255 5851 29255 64361 239891 321805 1199455 2638801 13194005