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109220975 = 5215727827
BaseRepresentation
bin1101000001010…
…01010001101111
321121112000000022
412200221101233
5210430032400
614500552355
72464235333
oct640512157
9247460008
10109220975
115671a376
12306b26bb
13198218c6
14107117c3
1598c6b85
hex682946f

109220975 has 12 divisors (see below), whose sum is σ = 136301544. Its totient is φ = 86817120.

The previous prime is 109220963. The next prime is 109220983. The reversal of 109220975 is 579022901.

It is not a de Polignac number, because 109220975 - 214 = 109204591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9989 + ... + 17838.

It is an arithmetic number, because the mean of its divisors is an integer number (11358462).

Almost surely, 2109220975 is an apocalyptic number.

109220975 is a deficient number, since it is larger than the sum of its proper divisors (27080569).

109220975 is a wasteful number, since it uses less digits than its factorization.

109220975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27994 (or 27989 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 109220975 is about 10450.8839339072. The cubic root of 109220975 is about 478.0082032053.

The spelling of 109220975 in words is "one hundred nine million, two hundred twenty thousand, nine hundred seventy-five".

Divisors: 1 5 25 157 785 3925 27827 139135 695675 4368839 21844195 109220975