Search a number
-
+
6425000 = 2355257
BaseRepresentation
bin11000100000100110101000
3110002102102222
4120200212220
53121100000
6345413212
7105416531
oct30404650
913072388
106425000
11369921a
12219a208
13143c59a
14bd3688
1586da85
hex6209a8

6425000 has 48 divisors (see below), whose sum is σ = 15116220. Its totient is φ = 2560000.

The previous prime is 6424993. The next prime is 6425011. The reversal of 6425000 is 5246.

It can be written as a sum of positive squares in 6 ways, for example, as 3844 + 6421156 = 62^2 + 2534^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6425000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24872 + ... + 25128.

Almost surely, 26425000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7558110).

6425000 is an abundant number, since it is smaller than the sum of its proper divisors (8691220).

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

6425000 is an equidigital number, since it uses as much as digits as its factorization.

6425000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 6425000 is about 2534.7583711273. The cubic root of 6425000 is about 185.9049886664.

The spelling of 6425000 in words is "six million, four hundred twenty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 257 500 514 625 1000 1028 1250 1285 2056 2500 2570 3125 5000 5140 6250 6425 10280 12500 12850 25000 25700 32125 51400 64250 128500 160625 257000 321250 642500 803125 1285000 1606250 3212500 6425000