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348249069 = 32737149399
BaseRepresentation
bin10100110000011…
…101101111101101
3220021021212220200
4110300131233231
51203122432234
654320104113
711426032260
oct2460355755
9807255820
10348249069
11169639753
1298765039
13571c224c
1434372cd7
152088ed99
hex14c1dbed

348249069 has 24 divisors (see below), whose sum is σ = 590428800. Its totient is φ = 193619808.

The previous prime is 348249067. The next prime is 348249073. The reversal of 348249069 is 960942843.

348249069 is a `hidden beast` number, since 348 + 249 + 0 + 69 = 666.

It is not a de Polignac number, because 348249069 - 21 = 348249067 is a prime.

It is a super-2 number, since 2×3482490692 = 242554828118733522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348249067) 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 in 23 ways as a sum of consecutive naturals, for example, 72369 + ... + 77030.

It is an arithmetic number, because the mean of its divisors is an integer number (24601200).

Almost surely, 2348249069 is an apocalyptic number.

It is an amenable number.

348249069 is a deficient number, since it is larger than the sum of its proper divisors (242179731).

348249069 is a wasteful number, since it uses less digits than its factorization.

348249069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149449 (or 149446 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 348249069 is about 18661.4326620439. The cubic root of 348249069 is about 703.5527334263.

The spelling of 348249069 in words is "three hundred forty-eight million, two hundred forty-nine thousand, sixty-nine".

Divisors: 1 3 7 9 21 37 63 111 259 333 777 2331 149399 448197 1045793 1344591 3137379 5527763 9412137 16583289 38694341 49749867 116083023 348249069