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109572593 = 138428661
BaseRepresentation
bin1101000011111…
…11000111110001
321122011212100012
412201333013301
5211022310333
614512304305
72500231424
oct641770761
9248155305
10109572593
115693a569
1230842095
1319915970
14107a39bb
159945e48
hex687f1f1

109572593 has 4 divisors (see below), whose sum is σ = 118001268. Its totient is φ = 101143920.

The previous prime is 109572587. The next prime is 109572637. The reversal of 109572593 is 395275901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47997184 + 61575409 = 6928^2 + 7847^2 .

It is a cyclic number.

It is not a de Polignac number, because 109572593 - 210 = 109571569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109572593.

It is not an unprimeable number, because it can be changed into a prime (109572553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4214318 + ... + 4214343.

It is an arithmetic number, because the mean of its divisors is an integer number (29500317).

Almost surely, 2109572593 is an apocalyptic number.

109572593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

109572593 is a deficient number, since it is larger than the sum of its proper divisors (8428675).

109572593 is an equidigital number, since it uses as much as digits as its factorization.

109572593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8428674.

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 109572593 is about 10467.6928212477. The cubic root of 109572593 is about 478.5206085870.

The spelling of 109572593 in words is "one hundred nine million, five hundred seventy-two thousand, five hundred ninety-three".

Divisors: 1 13 8428661 109572593