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13004042 = 227723473
BaseRepresentation
bin110001100110…
…110100001010
3220110200012012
4301212310022
511312112132
61142415522
7215350442
oct61466412
926420165
1013004042
117382147
1244315a2
132903ccc
141a27122
15121d0b2
hexc66d0a

13004042 has 8 divisors (see below), whose sum is σ = 19577316. Its totient is φ = 6478272.

The previous prime is 13003987. The next prime is 13004051. The reversal of 13004042 is 24040031.

It can be written as a sum of positive squares in 2 ways, for example, as 12666481 + 337561 = 3559^2 + 581^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11183 + ... + 12290.

Almost surely, 213004042 is an apocalyptic number.

13004042 is a deficient number, since it is larger than the sum of its proper divisors (6573274).

13004042 is a wasteful number, since it uses less digits than its factorization.

13004042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23752.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 13004042 is about 3606.1117564490. Note that the first 3 decimals coincide. The cubic root of 13004042 is about 235.1578357207.

Adding to 13004042 its reverse (24040031), we get a palindrome (37044073).

The spelling of 13004042 in words is "thirteen million, four thousand, forty-two".

Divisors: 1 2 277 554 23473 46946 6502021 13004042