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109005293 = 372946089
BaseRepresentation
bin1100111111101…
…00100111101101
321121010001011002
412133310213231
5210401132133
614452210045
72462346455
oct637644755
9247101132
10109005293
1156592321
1230609925
1319777697
1410696d65
159882ce8
hex67f49ed

109005293 has 4 divisors (see below), whose sum is σ = 111951420. Its totient is φ = 106059168.

The previous prime is 109005277. The next prime is 109005307. The reversal of 109005293 is 392500901.

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 38663524 + 70341769 = 6218^2 + 8387^2 .

It is not a de Polignac number, because 109005293 - 24 = 109005277 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 (109005203) 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, 1473008 + ... + 1473081.

It is an arithmetic number, because the mean of its divisors is an integer number (27987855).

Almost surely, 2109005293 is an apocalyptic number.

It is an amenable number.

109005293 is a deficient number, since it is larger than the sum of its proper divisors (2946127).

109005293 is an equidigital number, since it uses as much as digits as its factorization.

109005293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946126.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 109005293 is about 10440.5599945597. The cubic root of 109005293 is about 477.6933500578.

The spelling of 109005293 in words is "one hundred nine million, five thousand, two hundred ninety-three".

Divisors: 1 37 2946089 109005293