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13814345 = 52762869
BaseRepresentation
bin110100101100…
…101001001001
3221222211201102
4310230221021
512014024340
61212031145
7225264026
oct64545111
927884642
1013814345
117885a16
1247624b5
132b28a8c
141b9854d
15132d215
hexd2ca49

13814345 has 4 divisors (see below), whose sum is σ = 16577220. Its totient is φ = 11051472.

The previous prime is 13814341. The next prime is 13814351. The reversal of 13814345 is 54341831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54341831 = 293185467.

It can be written as a sum of positive squares in 2 ways, for example, as 10883401 + 2930944 = 3299^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 13814345 - 22 = 13814341 is a prime.

It is a super-2 number, since 2×138143452 = 381672255558050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13814341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381430 + ... + 1381439.

It is an arithmetic number, because the mean of its divisors is an integer number (4144305).

Almost surely, 213814345 is an apocalyptic number.

It is an amenable number.

13814345 is a deficient number, since it is larger than the sum of its proper divisors (2762875).

13814345 is an equidigital number, since it uses as much as digits as its factorization.

13814345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762874.

The product of its digits is 5760, while the sum is 29.

The square root of 13814345 is about 3716.7653948023. The cubic root of 13814345 is about 239.9441131445.

The spelling of 13814345 in words is "thirteen million, eight hundred fourteen thousand, three hundred forty-five".

Divisors: 1 5 2762869 13814345