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8024020 = 225401201
BaseRepresentation
bin11110100110111111010100
3120002122212221
4132212333110
54023232040
6443552124
7125126434
oct36467724
916078787
108024020
114590624
12282b644
13187c354
1410cc2c4
15a8774a
hex7a6fd4

8024020 has 12 divisors (see below), whose sum is σ = 16850484. Its totient is φ = 3209600.

The previous prime is 8023999. The next prime is 8024047. The reversal of 8024020 is 204208.

It can be written as a sum of positive squares in 2 ways, for example, as 4016016 + 4008004 = 2004^2 + 2002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8023985 and 8024003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200581 + ... + 200620.

It is an arithmetic number, because the mean of its divisors is an integer number (1404207).

Almost surely, 28024020 is an apocalyptic number.

It is an amenable number.

8024020 is an abundant number, since it is smaller than the sum of its proper divisors (8826464).

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

8024020 is a wasteful number, since it uses less digits than its factorization.

8024020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401210 (or 401208 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 8024020 is about 2832.6701184571. The cubic root of 8024020 is about 200.1999666667.

Adding to 8024020 its reverse (204208), we get a palindrome (8228228).

The spelling of 8024020 in words is "eight million, twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 401201 802402 1604804 2006005 4012010 8024020