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109434881 is a prime number
BaseRepresentation
bin1101000010111…
…01100000000001
321121220212102202
412201131200001
5211003404011
614505322545
72466116063
oct641354001
9247825382
10109434881
1156856056
1230796455
131989808a
1410769733
15991a23b
hex685d801

109434881 has 2 divisors, whose sum is σ = 109434882. Its totient is φ = 109434880.

The previous prime is 109434841. The next prime is 109434887. The reversal of 109434881 is 188434901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75968656 + 33466225 = 8716^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 109434881 - 26 = 109434817 is a prime.

It is a super-2 number, since 2×1094348812 = 23951986358968322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109434887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54717440 + 54717441.

It is an arithmetic number, because the mean of its divisors is an integer number (54717441).

Almost surely, 2109434881 is an apocalyptic number.

It is an amenable number.

109434881 is a deficient number, since it is larger than the sum of its proper divisors (1).

109434881 is an equidigital number, since it uses as much as digits as its factorization.

109434881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 109434881 is about 10461.1127993154. The cubic root of 109434881 is about 478.3200546143.

The spelling of 109434881 in words is "one hundred nine million, four hundred thirty-four thousand, eight hundred eighty-one".