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19838006 = 2235379103
BaseRepresentation
bin100101110101…
…1010000110110
31101022212121222
41023223100312
520034304011
61545110342
7330422516
oct113532066
941285558
1019838006
111021a651
1267883b2
134157786
1428c5846
151b1cddb
hex12eb436

19838006 has 32 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 9101664.

The previous prime is 19838003. The next prime is 19838051. The reversal of 19838006 is 60083891.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19838003) by changing a digit.

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, 192551 + ... + 192653.

It is an arithmetic number, because the mean of its divisors is an integer number (1010880).

Almost surely, 219838006 is an apocalyptic number.

19838006 is a deficient number, since it is larger than the sum of its proper divisors (12510154).

19838006 is a wasteful number, since it uses less digits than its factorization.

19838006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 19838006 is about 4453.9876515321. The cubic root of 19838006 is about 270.7069084313.

The spelling of 19838006 in words is "nineteen million, eight hundred thirty-eight thousand, six".

Divisors: 1 2 23 46 53 79 103 106 158 206 1219 1817 2369 2438 3634 4187 4738 5459 8137 8374 10918 16274 96301 125557 187151 192602 251114 374302 431261 862522 9919003 19838006