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109441687 = 319973541
BaseRepresentation
bin1101000010111…
…11001010010111
321121221012202211
412201133022113
5211004113222
614505414251
72466144655
oct641371227
9247835684
10109441687
1156860183
123079a387
131989b1c4
141076bdd5
15991c277
hex685f297

109441687 has 8 divisors (see below), whose sum is σ = 113117312. Its totient is φ = 105775200.

The previous prime is 109441667. The next prime is 109441697. The reversal of 109441687 is 786144901.

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 109441687 - 223 = 101053079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109441627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29137 + ... + 32677.

It is an arithmetic number, because the mean of its divisors is an integer number (14139664).

Almost surely, 2109441687 is an apocalyptic number.

109441687 is a deficient number, since it is larger than the sum of its proper divisors (3675625).

109441687 is an equidigital number, since it uses as much as digits as its factorization.

109441687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 109441687 is about 10461.4380942584. The cubic root of 109441687 is about 478.3299703401.

The spelling of 109441687 in words is "one hundred nine million, four hundred forty-one thousand, six hundred eighty-seven".

Divisors: 1 31 997 3541 30907 109771 3530377 109441687