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120319949 is a prime number
BaseRepresentation
bin1110010101111…
…10111111001101
322101101212221102
413022332333031
5221300214244
615534512445
72660463011
oct712767715
9271355842
10120319949
1161a10182
1234365725
131bc09749
1411da0541
15a86a54e
hex72befcd

120319949 has 2 divisors, whose sum is σ = 120319950. Its totient is φ = 120319948.

The previous prime is 120319921. The next prime is 120319957. The reversal of 120319949 is 949913021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119355625 + 964324 = 10925^2 + 982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120319949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120319249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60159974 + 60159975.

It is an arithmetic number, because the mean of its divisors is an integer number (60159975).

Almost surely, 2120319949 is an apocalyptic number.

It is an amenable number.

120319949 is a deficient number, since it is larger than the sum of its proper divisors (1).

120319949 is an equidigital number, since it uses as much as digits as its factorization.

120319949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 120319949 is about 10969.0450359181. The cubic root of 120319949 is about 493.6803936701.

The spelling of 120319949 in words is "one hundred twenty million, three hundred nineteen thousand, nine hundred forty-nine".