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13711189 = 39734537
BaseRepresentation
bin110100010011…
…011101010101
3221210121012211
4310103131111
512002224224
61205513421
7224354212
oct64233525
927717184
1013711189
117815468
124712871
132ac0b3b
141b6cb09
15130c894
hexd13755

13711189 has 4 divisors (see below), whose sum is σ = 13746124. Its totient is φ = 13676256.

The previous prime is 13711183. The next prime is 13711249. The reversal of 13711189 is 98111731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5560164 + 8151025 = 2358^2 + 2855^2 .

It is a cyclic number.

It is not a de Polignac number, because 13711189 - 29 = 13710677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13711189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13711183) 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 in 3 ways as a sum of consecutive naturals, for example, 16872 + ... + 17665.

It is an arithmetic number, because the mean of its divisors is an integer number (3436531).

Almost surely, 213711189 is an apocalyptic number.

It is an amenable number.

13711189 is a deficient number, since it is larger than the sum of its proper divisors (34935).

13711189 is an equidigital number, since it uses as much as digits as its factorization.

13711189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34934.

The product of its digits is 1512, while the sum is 31.

The square root of 13711189 is about 3702.8622712707. The cubic root of 13711189 is about 239.3453746283.

The spelling of 13711189 in words is "thirteen million, seven hundred eleven thousand, one hundred eighty-nine".

Divisors: 1 397 34537 13711189