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109185027 = 3713737951
BaseRepresentation
bin1101000001000…
…00100000000011
321121110011200220
412200200200003
5210422410102
614500114123
72464025460
oct640404003
9247404626
10109185027
11566a5366
1230695943
131980b433
1410702667
1598bb1bc
hex6820803

109185027 has 16 divisors (see below), whose sum is σ = 167596032. Its totient is φ = 61934400.

The previous prime is 109185019. The next prime is 109185053. The reversal of 109185027 is 720581901.

It is not a de Polignac number, because 109185027 - 23 = 109185019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109185017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16099 + ... + 21852.

It is an arithmetic number, because the mean of its divisors is an integer number (10474752).

Almost surely, 2109185027 is an apocalyptic number.

109185027 is a deficient number, since it is larger than the sum of its proper divisors (58411005).

109185027 is a wasteful number, since it uses less digits than its factorization.

109185027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38098.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 109185027 is about 10449.1639378469. The cubic root of 109185027 is about 477.9557550242.

It can be divided in two parts, 109 and 185027, that added together give a triangular number (185136 = T608).

The spelling of 109185027 in words is "one hundred nine million, one hundred eighty-five thousand, twenty-seven".

Divisors: 1 3 7 21 137 411 959 2877 37951 113853 265657 796971 5199287 15597861 36395009 109185027