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109692239 = 293782491
BaseRepresentation
bin1101000100111…
…00010101001111
321122101221110112
412202130111033
5211040122424
614515030235
72501240306
oct642342517
9248357415
10109692239
1156a11448
123089b37b
1319958267
14107d543d
15996b60e
hex689c54f

109692239 has 4 divisors (see below), whose sum is σ = 113474760. Its totient is φ = 105909720.

The previous prime is 109692223. The next prime is 109692251. The reversal of 109692239 is 932296901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932296901 = 2932148169.

It is a cyclic number.

It is not a de Polignac number, because 109692239 - 24 = 109692223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109692196 and 109692205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109692839) 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, 1891217 + ... + 1891274.

It is an arithmetic number, because the mean of its divisors is an integer number (28368690).

Almost surely, 2109692239 is an apocalyptic number.

109692239 is a deficient number, since it is larger than the sum of its proper divisors (3782521).

109692239 is an equidigital number, since it uses as much as digits as its factorization.

109692239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782520.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 109692239 is about 10473.4062749423. The cubic root of 109692239 is about 478.6947161472.

The spelling of 109692239 in words is "one hundred nine million, six hundred ninety-two thousand, two hundred thirty-nine".

Divisors: 1 29 3782491 109692239