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109692193 = 138437861
BaseRepresentation
bin1101000100111…
…00010100100001
321122101221101211
412202130110201
5211040122233
614515030121
72501240212
oct642342441
9248357354
10109692193
1156a11406
123089b341
1319958230
14107d5409
15996b5cd
hex689c521

109692193 has 4 divisors (see below), whose sum is σ = 118130068. Its totient is φ = 101254320.

The previous prime is 109692137. The next prime is 109692217. The reversal of 109692193 is 391296901.

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 16916769 + 92775424 = 4113^2 + 9632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109692193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109692133) 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, 4218918 + ... + 4218943.

It is an arithmetic number, because the mean of its divisors is an integer number (29532517).

Almost surely, 2109692193 is an apocalyptic number.

109692193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

109692193 is a deficient number, since it is larger than the sum of its proper divisors (8437875).

109692193 is an equidigital number, since it uses as much as digits as its factorization.

109692193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8437874.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 109692193 is about 10473.4040789039. The cubic root of 109692193 is about 478.6946492328.

The spelling of 109692193 in words is "one hundred nine million, six hundred ninety-two thousand, one hundred ninety-three".

Divisors: 1 13 8437861 109692193