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348749019 = 3238749891
BaseRepresentation
bin10100110010010…
…111110011011011
3220022020021201100
4110302113303123
51203234432034
654334522443
711433213663
oct2462276333
9808207640
10348749019
11169950333
1298966423
1357338988
14344631a3
152093d099
hex14c97cdb

348749019 has 6 divisors (see below), whose sum is σ = 503748596. Its totient is φ = 232499340.

The previous prime is 348748991. The next prime is 348749053. The reversal of 348749019 is 910947843.

It is not a de Polignac number, because 348749019 - 27 = 348748891 is a prime.

It is a super-2 number, since 2×3487490192 = 243251756506924722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348749119) 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 5 ways as a sum of consecutive naturals, for example, 19374937 + ... + 19374954.

Almost surely, 2348749019 is an apocalyptic number.

348749019 is a deficient number, since it is larger than the sum of its proper divisors (154999577).

348749019 is a wasteful number, since it uses less digits than its factorization.

348749019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38749897 (or 38749894 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 348749019 is about 18674.8231316926. The cubic root of 348749019 is about 703.8892483265.

The spelling of 348749019 in words is "three hundred forty-eight million, seven hundred forty-nine thousand, nineteen".

Divisors: 1 3 9 38749891 116249673 348749019