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13097219 = 22757697
BaseRepresentation
bin110001111101…
…100100000011
3220122102000012
4301331210003
511323102334
61144415135
7216216212
oct61754403
926572005
1013097219
117436153
1244774ab
132937545
141a4d079
15123a9ce
hexc7d903

13097219 has 4 divisors (see below), whose sum is σ = 13155144. Its totient is φ = 13039296.

The previous prime is 13097209. The next prime is 13097257. The reversal of 13097219 is 91279031.

It is a happy number.

13097219 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13097219 is a prime.

It is a super-2 number, since 2×130972192 = 343074291067922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13097209) 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, 28622 + ... + 29075.

It is an arithmetic number, because the mean of its divisors is an integer number (3288786).

Almost surely, 213097219 is an apocalyptic number.

13097219 is a deficient number, since it is larger than the sum of its proper divisors (57925).

13097219 is an equidigital number, since it uses as much as digits as its factorization.

13097219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57924.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 13097219 is about 3619.0080132545. The cubic root of 13097219 is about 235.7181531920.

The spelling of 13097219 in words is "thirteen million, ninety-seven thousand, two hundred nineteen".

Divisors: 1 227 57697 13097219