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348039742 = 21719135351
BaseRepresentation
bin10100101111101…
…010101000111110
3220020220020202211
4110233222220332
51203044232432
654311411034
711424201061
oct2457525076
9806806684
10348039742
11169506456
1298683a7a
135714ab9b
143431a8d8
152084cd47
hex14beaa3e

348039742 has 16 divisors (see below), whose sum is σ = 553161312. Its totient is φ = 163667200.

The previous prime is 348039707. The next prime is 348039743. The reversal of 348039742 is 247930843.

It is a super-2 number, since 2×3480397422 = 242263324022853128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 348039695 and 348039704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348039743) 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 7 ways as a sum of consecutive naturals, for example, 62367 + ... + 67717.

It is an arithmetic number, because the mean of its divisors is an integer number (34572582).

Almost surely, 2348039742 is an apocalyptic number.

348039742 is a deficient number, since it is larger than the sum of its proper divisors (205121570).

348039742 is a wasteful number, since it uses less digits than its factorization.

348039742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 348039742 is about 18655.8232731767. The cubic root of 348039742 is about 703.4117403711.

The spelling of 348039742 in words is "three hundred forty-eight million, thirty-nine thousand, seven hundred forty-two".

Divisors: 1 2 17 34 1913 3826 5351 10702 32521 65042 90967 181934 10236463 20472926 174019871 348039742