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13407682 = 26703841
BaseRepresentation
bin110011001001…
…010111000010
3221020011212211
4303021113002
511413021212
61155212334
7221651311
oct63112702
927204784
1013407682
117628432
1245a70aa
132a15952
141ad0278
15129c9a7
hexcc95c2

13407682 has 4 divisors (see below), whose sum is σ = 20111526. Its totient is φ = 6703840.

The previous prime is 13407671. The next prime is 13407683. The reversal of 13407682 is 28670431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13402921 + 4761 = 3661^2 + 69^2 .

It is a super-2 number, since 2×134076822 = 359531873226248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13407683) 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 as a sum of consecutive naturals, namely, 3351919 + ... + 3351922.

Almost surely, 213407682 is an apocalyptic number.

13407682 is a deficient number, since it is larger than the sum of its proper divisors (6703844).

13407682 is an equidigital number, since it uses as much as digits as its factorization.

13407682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703843.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 13407682 is about 3661.6501744432. The cubic root of 13407682 is about 237.5661540554.

The spelling of 13407682 in words is "thirteen million, four hundred seven thousand, six hundred eighty-two".

Divisors: 1 2 6703841 13407682