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13329149 = 31142859
BaseRepresentation
bin110010110110…
…001011111101
3221002012011012
4302312023331
511403013044
61153405005
7221203331
oct62661375
927065135
1013329149
117584429
124569765
1329b8c92
141aad7c1
15128459e
hexcb62fd

13329149 has 4 divisors (see below), whose sum is σ = 13372320. Its totient is φ = 13285980.

The previous prime is 13329137. The next prime is 13329157. The reversal of 13329149 is 94192331.

13329149 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94192331 = 213144201.

It is a cyclic number.

It is not a de Polignac number, because 13329149 - 220 = 12280573 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 (13329109) 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, 21119 + ... + 21740.

It is an arithmetic number, because the mean of its divisors is an integer number (3343080).

Almost surely, 213329149 is an apocalyptic number.

It is an amenable number.

13329149 is a deficient number, since it is larger than the sum of its proper divisors (43171).

13329149 is an equidigital number, since it uses as much as digits as its factorization.

13329149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43170.

The product of its digits is 5832, while the sum is 32.

The square root of 13329149 is about 3650.9107083028. The cubic root of 13329149 is about 237.1014123253.

The spelling of 13329149 in words is "thirteen million, three hundred twenty-nine thousand, one hundred forty-nine".

Divisors: 1 311 42859 13329149