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344120020 = 225192339373
BaseRepresentation
bin10100100000101…
…101101011010100
3212222112002220221
4110200231223110
51201043320040
654051404124
711345654236
oct2440555324
9788462827
10344120020
11167279512
12972b3644
13563a7a1a
14339ba256
152032674a
hex1482dad4

344120020 has 48 divisors (see below), whose sum is σ = 793779840. Its totient is φ = 124730496.

The previous prime is 344119999. The next prime is 344120047. The reversal of 344120020 is 20021443.

It is a junction number, because it is equal to n+sod(n) for n = 344119976 and 344120003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10947 + ... + 28426.

It is an arithmetic number, because the mean of its divisors is an integer number (16537080).

Almost surely, 2344120020 is an apocalyptic number.

It is an amenable number.

344120020 is an abundant number, since it is smaller than the sum of its proper divisors (449659820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344120020 is a wasteful number, since it uses less digits than its factorization.

344120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39424 (or 39422 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 344120020 is about 18550.4722311859. The cubic root of 344120020 is about 700.7610905548.

Adding to 344120020 its reverse (20021443), we get a palindrome (364141463).

The spelling of 344120020 in words is "three hundred forty-four million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 4370 8740 39373 78746 157492 196865 393730 748087 787460 905579 1496174 1811158 2992348 3622316 3740435 4527895 7480870 9055790 14961740 17206001 18111580 34412002 68824004 86030005 172060010 344120020