Search a number
-
+
8028250580 = 2257373153739
BaseRepresentation
bin1110111101000010…
…10110000111010100
3202201111120101102002
413132201112013110
5112420213004310
63404345134432
7402643001240
oct73641260724
922644511362
108028250580
11344a813539
12168078a418
139ac354a3c
1456233d420
1531ec2ada5
hex1de8561d4

8028250580 has 48 divisors (see below), whose sum is σ = 19319583360. Its totient is φ = 2745145728.

The previous prime is 8028250567. The next prime is 8028250609. The reversal of 8028250580 is 850528208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24650 + ... + 129089.

It is an arithmetic number, because the mean of its divisors is an integer number (402491320).

Almost surely, 28028250580 is an apocalyptic number.

It is an amenable number.

8028250580 is an abundant number, since it is smaller than the sum of its proper divisors (11291332780).

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

8028250580 is a wasteful number, since it uses less digits than its factorization.

8028250580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154128 (or 154126 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 8028250580 is about 89600.5054673242. The cubic root of 8028250580 is about 2002.3514492597.

Adding to 8028250580 its reverse (850528208), we get a palindrome (8878778788).

The spelling of 8028250580 in words is "eight billion, twenty-eight million, two hundred fifty thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 373 746 1492 1865 2611 3730 5222 7460 10444 13055 26110 52220 153739 307478 614956 768695 1076173 1537390 2152346 3074780 4304692 5380865 10761730 21523460 57344647 114689294 229378588 286723235 401412529 573446470 802825058 1146892940 1605650116 2007062645 4014125290 8028250580