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109044509 = 766123567
BaseRepresentation
bin1100111111111…
…10001100011101
321121012000221112
412133332030131
5210403411014
614453111405
72462602010
oct637761435
9247160845
10109044509
1156609832
1230628565
131978c4a2
14106a7377
15988e73e
hex67fe31d

109044509 has 8 divisors (see below), whose sum is σ = 124816128. Its totient is φ = 93321360.

The previous prime is 109044503. The next prime is 109044521. The reversal of 109044509 is 905440901.

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 109044509 - 24 = 109044493 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 (109044503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7157 + ... + 16410.

It is an arithmetic number, because the mean of its divisors is an integer number (15602016).

Almost surely, 2109044509 is an apocalyptic number.

It is an amenable number.

109044509 is a deficient number, since it is larger than the sum of its proper divisors (15771619).

109044509 is an equidigital number, since it uses as much as digits as its factorization.

109044509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24235.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 109044509 is about 10442.4378858579. The cubic root of 109044509 is about 477.7506285496.

The spelling of 109044509 in words is "one hundred nine million, forty-four thousand, five hundred nine".

Divisors: 1 7 661 4627 23567 164969 15577787 109044509