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13045219 = 111185929
BaseRepresentation
bin110001110000…
…110111100011
3220112202200021
4301300313203
511314421334
61143334311
7215611465
oct61606743
926482607
1013045219
117400080
124451397
132919985
141a38135
15122a3b4
hexc70de3

13045219 has 4 divisors (see below), whose sum is σ = 14231160. Its totient is φ = 11859280.

The previous prime is 13045217. The next prime is 13045237. The reversal of 13045219 is 91254031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91254031 = 118295821.

It is a cyclic number.

It is not a de Polignac number, because 13045219 - 21 = 13045217 is a prime.

It is a super-2 number, since 2×130452192 = 340355477515922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13045193 and 13045202.

It is not an unprimeable number, because it can be changed into a prime (13045217) 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, 592954 + ... + 592975.

It is an arithmetic number, because the mean of its divisors is an integer number (3557790).

Almost surely, 213045219 is an apocalyptic number.

13045219 is a deficient number, since it is larger than the sum of its proper divisors (1185941).

13045219 is a wasteful number, since it uses less digits than its factorization.

13045219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185940.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 13045219 is about 3611.8165789530. The cubic root of 13045219 is about 235.4057814930.

The spelling of 13045219 in words is "thirteen million, forty-five thousand, two hundred nineteen".

Divisors: 1 11 1185929 13045219