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20073828 = 2234633613
BaseRepresentation
bin100110010010…
…0110101100100
31101202212010010
41030210311210
520114330303
61554130220
7332424165
oct114446544
941685103
1020073828
1110370845
126880970
13420ac08
14294776c
151b67c03
hex1324d64

20073828 has 24 divisors (see below), whose sum is σ = 46953088. Its totient is φ = 6674976.

The previous prime is 20073811. The next prime is 20073847. The reversal of 20073828 is 82837002.

It is a junction number, because it is equal to n+sod(n) for n = 20073795 and 20073804.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3750 + ... + 7362.

Almost surely, 220073828 is an apocalyptic number.

It is an amenable number.

20073828 is an abundant number, since it is smaller than the sum of its proper divisors (26879260).

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

20073828 is a wasteful number, since it uses less digits than its factorization.

20073828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083 (or 4081 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 20073828 is about 4480.3825729507. The cubic root of 20073828 is about 271.7753515640.

The spelling of 20073828 in words is "twenty million, seventy-three thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 463 926 1389 1852 2778 3613 5556 7226 10839 14452 21678 43356 1672819 3345638 5018457 6691276 10036914 20073828