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13316189 = 37359897
BaseRepresentation
bin110010110011…
…000001011101
3221001112101012
4302303001131
511402104224
61153225005
7221120465
oct62630135
927045335
1013316189
117575717
124562165
1329b3103
141aa8ba5
15128080e
hexcb305d

13316189 has 4 divisors (see below), whose sum is σ = 13676124. Its totient is φ = 12956256.

The previous prime is 13316179. The next prime is 13316209. The reversal of 13316189 is 98161331.

13316189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10510564 + 2805625 = 3242^2 + 1675^2 .

It is a cyclic number.

It is not a de Polignac number, because 13316189 - 28 = 13315933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13316119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179912 + ... + 179985.

It is an arithmetic number, because the mean of its divisors is an integer number (3419031).

Almost surely, 213316189 is an apocalyptic number.

It is an amenable number.

13316189 is a deficient number, since it is larger than the sum of its proper divisors (359935).

13316189 is an equidigital number, since it uses as much as digits as its factorization.

13316189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359934.

The product of its digits is 3888, while the sum is 32.

The square root of 13316189 is about 3649.1353770448. The cubic root of 13316189 is about 237.0245424328.

The spelling of 13316189 in words is "thirteen million, three hundred sixteen thousand, one hundred eighty-nine".

Divisors: 1 37 359897 13316189