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109480271 = 839130489
BaseRepresentation
bin1101000011010…
…00100101001111
321122000011200212
412201220211033
5211011332041
614510313035
72466365315
oct641504517
9248004625
10109480271
115688716a
12307b877b
13198b2934
141077c0b5
1599288eb
hex686894f

109480271 has 4 divisors (see below), whose sum is σ = 109611600. Its totient is φ = 109348944.

The previous prime is 109480247. The next prime is 109480277. The reversal of 109480271 is 172084901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172084901 = 712423731.

It is a cyclic number.

It is not a de Polignac number, because 109480271 - 218 = 109218127 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 (109480277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64406 + ... + 66083.

It is an arithmetic number, because the mean of its divisors is an integer number (27402900).

Almost surely, 2109480271 is an apocalyptic number.

109480271 is a deficient number, since it is larger than the sum of its proper divisors (131329).

109480271 is an equidigital number, since it uses as much as digits as its factorization.

109480271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131328.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 109480271 is about 10463.2820376782. The cubic root of 109480271 is about 478.3861759646.

The spelling of 109480271 in words is "one hundred nine million, four hundred eighty thousand, two hundred seventy-one".

Divisors: 1 839 130489 109480271