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109364447 = 419261013
BaseRepresentation
bin1101000010011…
…00010011011111
321121210021211002
412201030103133
5210444130242
614504020515
72465403533
oct641142337
9247707732
10109364447
1156808145
123076173b
1319871cba
141074bbc3
159904432
hex684c4df

109364447 has 4 divisors (see below), whose sum is σ = 109625880. Its totient is φ = 109103016.

The previous prime is 109364443. The next prime is 109364461. The reversal of 109364447 is 744463901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744463901 = 2925671169.

It is a cyclic number.

It is not a de Polignac number, because 109364447 - 22 = 109364443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109364447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109364443) 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, 130088 + ... + 130925.

It is an arithmetic number, because the mean of its divisors is an integer number (27406470).

Almost surely, 2109364447 is an apocalyptic number.

109364447 is a deficient number, since it is larger than the sum of its proper divisors (261433).

109364447 is an equidigital number, since it uses as much as digits as its factorization.

109364447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261432.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 109364447 is about 10457.7457896049. The cubic root of 109364447 is about 478.2174145030.

The spelling of 109364447 in words is "one hundred nine million, three hundred sixty-four thousand, four hundred forty-seven".

Divisors: 1 419 261013 109364447