Search a number
-
+
2725000 = 2355109
BaseRepresentation
bin1010011001010010001000
312010102222221
422121102020
51144200000
6134223424
732106415
oct12312210
95112887
102725000
1115a1373
12ab4b74
13745435
1450d10c
1538c61a
hex299488

2725000 has 48 divisors (see below), whose sum is σ = 6444900. Its totient is φ = 1080000.

The previous prime is 2724989. The next prime is 2725001. The reversal of 2725000 is 5272.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 171396 + 2553604 = 414^2 + 1598^2 .

It is not an unprimeable number, because it can be changed into a prime (2725001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24946 + ... + 25054.

22725000 is an apocalyptic number.

2725000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2725000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3222450).

2725000 is an abundant number, since it is smaller than the sum of its proper divisors (3719900).

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

2725000 is an equidigital number, since it uses as much as digits as its factorization.

2725000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 2725000 is about 1650.7574019219. The cubic root of 2725000 is about 139.6761220624.

The spelling of 2725000 in words is "two million, seven hundred twenty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 109 125 200 218 250 436 500 545 625 872 1000 1090 1250 2180 2500 2725 3125 4360 5000 5450 6250 10900 12500 13625 21800 25000 27250 54500 68125 109000 136250 272500 340625 545000 681250 1362500 2725000