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13810982 = 26905491
BaseRepresentation
bin110100101011…
…110100100110
3221222200002212
4310223310212
512013422412
61212003422
7225251153
oct64536446
927880085
1013810982
117883439
124760572
132b273a3
141b9722a
15132c222
hexd2bd26

13810982 has 4 divisors (see below), whose sum is σ = 20716476. Its totient is φ = 6905490.

The previous prime is 13810981. The next prime is 13810999. The reversal of 13810982 is 28901831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13810981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3452744 + ... + 3452747.

It is an arithmetic number, because the mean of its divisors is an integer number (5179119).

Almost surely, 213810982 is an apocalyptic number.

13810982 is a deficient number, since it is larger than the sum of its proper divisors (6905494).

13810982 is an equidigital number, since it uses as much as digits as its factorization.

13810982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905493.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 13810982 is about 3716.3129577580. The cubic root of 13810982 is about 239.9246406917.

The spelling of 13810982 in words is "thirteen million, eight hundred ten thousand, nine hundred eighty-two".

Divisors: 1 2 6905491 13810982