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13439882 = 241163901
BaseRepresentation
bin110011010001…
…001110001010
3221021211001102
4303101032022
511420034012
61200021402
7222144221
oct63211612
927254042
1013439882
11764a645
124601862
132a274c1
141adbcb8
1512a72c2
hexcd138a

13439882 has 8 divisors (see below), whose sum is σ = 20651652. Its totient is φ = 6556000.

The previous prime is 13439879. The next prime is 13439891. The reversal of 13439882 is 28893431.

It can be written as a sum of positive squares in 2 ways, for example, as 12397441 + 1042441 = 3521^2 + 1021^2 .

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, 81869 + ... + 82032.

Almost surely, 213439882 is an apocalyptic number.

13439882 is a deficient number, since it is larger than the sum of its proper divisors (7211770).

13439882 is a wasteful number, since it uses less digits than its factorization.

13439882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163944.

The product of its digits is 41472, while the sum is 38.

The square root of 13439882 is about 3666.0444623599. The cubic root of 13439882 is about 237.7561822922.

The spelling of 13439882 in words is "thirteen million, four hundred thirty-nine thousand, eight hundred eighty-two".

Divisors: 1 2 41 82 163901 327802 6719941 13439882