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109260857 = 223489959
BaseRepresentation
bin1101000001100…
…11000000111001
321121121000201102
412200303000321
5210432321412
614501501145
72464462526
oct640630071
9247530642
10109260857
1156747332
12307117b5
1319836ac4
141072214d
1598d38c2
hex6833039

109260857 has 4 divisors (see below), whose sum is σ = 109751040. Its totient is φ = 108770676.

The previous prime is 109260839. The next prime is 109260869. The reversal of 109260857 is 758062901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109260857 - 26 = 109260793 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 109260857.

It is not an unprimeable number, because it can be changed into a prime (109260817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244757 + ... + 245202.

It is an arithmetic number, because the mean of its divisors is an integer number (27437760).

Almost surely, 2109260857 is an apocalyptic number.

It is an amenable number.

109260857 is a deficient number, since it is larger than the sum of its proper divisors (490183).

109260857 is an equidigital number, since it uses as much as digits as its factorization.

109260857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490182.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 109260857 is about 10452.7918280237. The cubic root of 109260857 is about 478.0663776333.

The spelling of 109260857 in words is "one hundred nine million, two hundred sixty thousand, eight hundred fifty-seven".

Divisors: 1 223 489959 109260857