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109072523 = 797160637
BaseRepresentation
bin1101000000001…
…01000010001011
321121020110101002
412200011002023
5210410310043
614453445215
72463046460
oct640050213
9247213332
10109072523
115662888a
123064080b
131979c171
14106b3667
159897bb8
hex680508b

109072523 has 8 divisors (see below), whose sum is σ = 125940192. Its totient is φ = 92526336.

The previous prime is 109072519. The next prime is 109072531. The reversal of 109072523 is 325270901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109072523 - 22 = 109072519 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (109072573) 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, 79640 + ... + 80997.

It is an arithmetic number, because the mean of its divisors is an integer number (15742524).

Almost surely, 2109072523 is an apocalyptic number.

109072523 is a deficient number, since it is larger than the sum of its proper divisors (16867669).

109072523 is an equidigital number, since it uses as much as digits as its factorization.

109072523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160741.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 109072523 is about 10443.7791531610. The cubic root of 109072523 is about 477.7915371055.

The spelling of 109072523 in words is "one hundred nine million, seventy-two thousand, five hundred twenty-three".

Divisors: 1 7 97 679 160637 1124459 15581789 109072523