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13340245 = 54756767
BaseRepresentation
bin110010111000…
…111001010101
3221002202101011
4302320321111
511403341440
61153532221
7221250562
oct62707125
927082334
1013340245
1175917a6
124574071
1329c1049
141ab3869
1512879ea
hexcb8e55

13340245 has 8 divisors (see below), whose sum is σ = 16349184. Its totient is φ = 10444944.

The previous prime is 13340233. The next prime is 13340269. The reversal of 13340245 is 54204331.

13340245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13340245 - 25 = 13340213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28149 + ... + 28618.

It is an arithmetic number, because the mean of its divisors is an integer number (2043648).

Almost surely, 213340245 is an apocalyptic number.

It is an amenable number.

13340245 is a deficient number, since it is larger than the sum of its proper divisors (3008939).

13340245 is an equidigital number, since it uses as much as digits as its factorization.

13340245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56819.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13340245 is about 3652.4300130187. The cubic root of 13340245 is about 237.1671866563.

Adding to 13340245 its reverse (54204331), we get a palindrome (67544576).

The spelling of 13340245 in words is "thirteen million, three hundred forty thousand, two hundred forty-five".

Divisors: 1 5 47 235 56767 283835 2668049 13340245