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8050020 = 22351112197
BaseRepresentation
bin11110101101010101100100
3120010222112220
4132231111210
54030100040
6444312340
7125265306
oct36552544
916128486
108050020
1145a9110
1228426b0
13188b134
1410d7976
15a902d0
hex7ad564

8050020 has 48 divisors (see below), whose sum is σ = 24591168. Its totient is φ = 1951360.

The previous prime is 8050013. The next prime is 8050039. The reversal of 8050020 is 200508.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 5439 + ... + 6758.

It is an arithmetic number, because the mean of its divisors is an integer number (512316).

Almost surely, 28050020 is an apocalyptic number.

It is an amenable number.

8050020 is an abundant number, since it is smaller than the sum of its proper divisors (16541148).

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

8050020 is a wasteful number, since it uses less digits than its factorization.

8050020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12220 (or 12218 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 8050020 is about 2837.2557163569. The cubic root of 8050020 is about 200.4159675884.

Adding to 8050020 its reverse (200508), we get a palindrome (8250528).

The spelling of 8050020 in words is "eight million, fifty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 12197 24394 36591 48788 60985 73182 121970 134167 146364 182955 243940 268334 365910 402501 536668 670835 731820 805002 1341670 1610004 2012505 2683340 4025010 8050020