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344493142 = 27193141777
BaseRepresentation
bin10100100010001…
…000110001010110
3220000020001202021
4110202020301112
51201142240032
654103403354
711352100120
oct2442106126
9800201667
10344493142
11167503884
129745355a
13564a87c6
1433a76210
152039c097
hex14888c56

344493142 has 32 divisors (see below), whose sum is σ = 641710080. Its totient is φ = 135354240.

The previous prime is 344493119. The next prime is 344493143. The reversal of 344493142 is 241394443.

It is a super-3 number, since 3×3444931423 (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344493098 and 344493107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344493143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12643 + ... + 29134.

It is an arithmetic number, because the mean of its divisors is an integer number (20053440).

Almost surely, 2344493142 is an apocalyptic number.

344493142 is a deficient number, since it is larger than the sum of its proper divisors (297216938).

344493142 is a wasteful number, since it uses less digits than its factorization.

344493142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41836.

The product of its digits is 41472, while the sum is 34.

The square root of 344493142 is about 18560.5264472751. The cubic root of 344493142 is about 701.0142725063.

The spelling of 344493142 in words is "three hundred forty-four million, four hundred ninety-three thousand, one hundred forty-two".

Divisors: 1 2 7 14 19 31 38 62 133 217 266 434 589 1178 4123 8246 41777 83554 292439 584878 793763 1295087 1587526 2590174 5556341 9065609 11112682 18131218 24606653 49213306 172246571 344493142