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109055879 = 450724197
BaseRepresentation
bin1101000000000…
…00111110000111
321121012121112122
412200000332013
5210404242004
614453240155
72462650112
oct640007607
9247177478
10109055879
1156617329
123063305b
131979470a
14106ab579
159892cbe
hex6800f87

109055879 has 4 divisors (see below), whose sum is σ = 109084584. Its totient is φ = 109027176.

The previous prime is 109055831. The next prime is 109055887. The reversal of 109055879 is 978550901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109055879 - 28 = 109055623 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 (109055809) 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, 7592 + ... + 16605.

It is an arithmetic number, because the mean of its divisors is an integer number (27271146).

Almost surely, 2109055879 is an apocalyptic number.

109055879 is a deficient number, since it is larger than the sum of its proper divisors (28705).

109055879 is an equidigital number, since it uses as much as digits as its factorization.

109055879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28704.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 109055879 is about 10442.9822847690. The cubic root of 109055879 is about 477.7672328883.

The spelling of 109055879 in words is "one hundred nine million, fifty-five thousand, eight hundred seventy-nine".

Divisors: 1 4507 24197 109055879