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109809953 = 1117587219
BaseRepresentation
bin1101000101110…
…01000100100001
321122121220221022
412202321010201
5211102404303
614521335225
72502240431
oct642710441
9248556838
10109809953
1156a91930
1230937515
1319999a06
14108262c1
159991438
hex68b9121

109809953 has 8 divisors (see below), whose sum is σ = 126839520. Its totient is φ = 93954880.

The previous prime is 109809941. The next prime is 109809971. The reversal of 109809953 is 359908901.

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

It is a cyclic number.

It is not a de Polignac number, because 109809953 - 24 = 109809937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109809923) 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 7 ways as a sum of consecutive naturals, for example, 293423 + ... + 293796.

It is an arithmetic number, because the mean of its divisors is an integer number (15854940).

Almost surely, 2109809953 is an apocalyptic number.

It is an amenable number.

109809953 is a deficient number, since it is larger than the sum of its proper divisors (17029567).

109809953 is a wasteful number, since it uses less digits than its factorization.

109809953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587247.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 109809953 is about 10479.0244297835. The cubic root of 109809953 is about 478.8658887714.

The spelling of 109809953 in words is "one hundred nine million, eight hundred nine thousand, nine hundred fifty-three".

Divisors: 1 11 17 187 587219 6459409 9982723 109809953