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103120349 is a prime number
BaseRepresentation
bin1100010010101…
…11110111011101
321012001001112012
412021113313131
5202344322344
614122121005
72361336263
oct611276735
9235031465
10103120349
1153232932
122a650165
1318496b77
14d9a4433
1590be29e
hex6257ddd

103120349 has 2 divisors, whose sum is σ = 103120350. Its totient is φ = 103120348.

The previous prime is 103120333. The next prime is 103120357. The reversal of 103120349 is 943021301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68392900 + 34727449 = 8270^2 + 5893^2 .

It is a cyclic number.

It is not a de Polignac number, because 103120349 - 24 = 103120333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103129349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560174 + 51560175.

It is an arithmetic number, because the mean of its divisors is an integer number (51560175).

Almost surely, 2103120349 is an apocalyptic number.

It is an amenable number.

103120349 is a deficient number, since it is larger than the sum of its proper divisors (1).

103120349 is an equidigital number, since it uses as much as digits as its factorization.

103120349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 103120349 is about 10154.8190038031. The cubic root of 103120349 is about 468.9373138441.

The spelling of 103120349 in words is "one hundred three million, one hundred twenty thousand, three hundred forty-nine".