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348939469 is a prime number
BaseRepresentation
bin10100110011000…
…110010011001101
3220022120221222001
4110303012103031
51203312030334
654342552301
711434636144
oct2463062315
9808527861
10348939469
11169a7042a
1298a38691
13573a4578
14344b275b
1520979714
hex14cc64cd

348939469 has 2 divisors, whose sum is σ = 348939470. Its totient is φ = 348939468.

The previous prime is 348939449. The next prime is 348939497. The reversal of 348939469 is 964939843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340845444 + 8094025 = 18462^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 348939469 - 219 = 348415181 is a prime.

It is a super-2 number, since 2×3489394692 = 243517506052003922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348939449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174469734 + 174469735.

It is an arithmetic number, because the mean of its divisors is an integer number (174469735).

Almost surely, 2348939469 is an apocalyptic number.

It is an amenable number.

348939469 is a deficient number, since it is larger than the sum of its proper divisors (1).

348939469 is an equidigital number, since it uses as much as digits as its factorization.

348939469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 55.

The square root of 348939469 is about 18679.9215469445. The cubic root of 348939469 is about 704.0173550786.

The spelling of 348939469 in words is "three hundred forty-eight million, nine hundred thirty-nine thousand, four hundred sixty-nine".