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348019489 is a prime number
BaseRepresentation
bin10100101111100…
…101101100100001
3220020212012222201
4110233211230201
51203043110424
654311133201
711424055036
oct2457455441
9806765881
10348019489
111694a2214
1298674201
13571418bc
143431338d
1520846d44
hex14be5b21

348019489 has 2 divisors, whose sum is σ = 348019490. Its totient is φ = 348019488.

The previous prime is 348019363. The next prime is 348019499. The reversal of 348019489 is 984910843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331859089 + 16160400 = 18217^2 + 4020^2 .

It is a cyclic number.

It is not a de Polignac number, because 348019489 - 29 = 348018977 is a prime.

It is a super-2 number, since 2×3480194892 = 242235129447642242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (348019499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174009744 + 174009745.

It is an arithmetic number, because the mean of its divisors is an integer number (174009745).

Almost surely, 2348019489 is an apocalyptic number.

It is an amenable number.

348019489 is a deficient number, since it is larger than the sum of its proper divisors (1).

348019489 is an equidigital number, since it uses as much as digits as its factorization.

348019489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 348019489 is about 18655.2804588942. The cubic root of 348019489 is about 703.3980958811.

The spelling of 348019489 in words is "three hundred forty-eight million, nineteen thousand, four hundred eighty-nine".