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14709109 = 19376213
BaseRepresentation
bin111000000111…
…000101110101
31000200022002211
4320013011311
512231142414
61243133421
7236011462
oct70070565
930608084
1014709109
118337198
124b14271
13308011c
141d4c669
1514583c4
hexe07175

14709109 has 4 divisors (see below), whose sum is σ = 14785516. Its totient is φ = 14632704.

The previous prime is 14709077. The next prime is 14709133. The reversal of 14709109 is 90190741.

14709109 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 can be written as a sum of positive squares in 2 ways, for example, as 6426225 + 8282884 = 2535^2 + 2878^2 .

It is a cyclic number.

It is not a de Polignac number, because 14709109 - 25 = 14709077 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 (14709169) 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, 37914 + ... + 38299.

It is an arithmetic number, because the mean of its divisors is an integer number (3696379).

Almost surely, 214709109 is an apocalyptic number.

It is an amenable number.

14709109 is a deficient number, since it is larger than the sum of its proper divisors (76407).

14709109 is an equidigital number, since it uses as much as digits as its factorization.

14709109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76406.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 14709109 is about 3835.2456244679. The cubic root of 14709109 is about 245.0165697526.

The spelling of 14709109 in words is "fourteen million, seven hundred nine thousand, one hundred nine".

Divisors: 1 193 76213 14709109