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109297901 is a prime number
BaseRepresentation
bin1101000001111…
…00000011101101
321121122220112102
412200330003231
5210440013101
614502344445
72465005526
oct640740355
9247586472
10109297901
1156772149
123072b125
131984a91b
141073184d
1598de86b
hex683c0ed

109297901 has 2 divisors, whose sum is σ = 109297902. Its totient is φ = 109297900.

The previous prime is 109297891. The next prime is 109297919. The reversal of 109297901 is 109792901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85581001 + 23716900 = 9251^2 + 4870^2 .

It is an emirp because it is prime and its reverse (109792901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109297901 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109297921) 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 as a sum of consecutive naturals, namely, 54648950 + 54648951.

It is an arithmetic number, because the mean of its divisors is an integer number (54648951).

Almost surely, 2109297901 is an apocalyptic number.

It is an amenable number.

109297901 is a deficient number, since it is larger than the sum of its proper divisors (1).

109297901 is an equidigital number, since it uses as much as digits as its factorization.

109297901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 109297901 is about 10454.5636446482. The cubic root of 109297901 is about 478.1203996937.

The spelling of 109297901 in words is "one hundred nine million, two hundred ninety-seven thousand, nine hundred one".