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109072245 = 357271483
BaseRepresentation
bin1101000000001…
…00111101110101
321121020102222210
412200010331311
5210410302440
614453444033
72463045612
oct640047565
9247212883
10109072245
1156628657
1230640619
131979bcb9
14106b3509
159897a80
hex6804f75

109072245 has 8 divisors (see below), whose sum is σ = 174515616. Its totient is φ = 58171856.

The previous prime is 109072241. The next prime is 109072247. The reversal of 109072245 is 542270901.

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 109072245 - 22 = 109072241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109072241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3635727 + ... + 3635756.

It is an arithmetic number, because the mean of its divisors is an integer number (21814452).

Almost surely, 2109072245 is an apocalyptic number.

109072245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109072245 is a deficient number, since it is larger than the sum of its proper divisors (65443371).

109072245 is an equidigital number, since it uses as much as digits as its factorization.

109072245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271491.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 109072245 is about 10443.7658437941. The cubic root of 109072245 is about 477.7911311794.

The spelling of 109072245 in words is "one hundred nine million, seventy-two thousand, two hundred forty-five".

Divisors: 1 3 5 15 7271483 21814449 36357415 109072245