Search a number
-
+
2243250 = 23253997
BaseRepresentation
bin1000100011101010110010
311012222011100
420203222302
51033241000
6120025230
725032042
oct10435262
94188140
102243250
1112a2429
12902216
13607089
14425722
152e4a00
hex223ab2

2243250 has 48 divisors (see below), whose sum is σ = 6071832. Its totient is φ = 597600.

The previous prime is 2243221. The next prime is 2243251. The reversal of 2243250 is 523422.

It can be written as a sum of positive squares in 4 ways, for example, as 1096209 + 1147041 = 1047^2 + 1071^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2243251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1752 + ... + 2748.

22243250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3035916).

2243250 is an abundant number, since it is smaller than the sum of its proper divisors (3828582).

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

2243250 is a wasteful number, since it uses less digits than its factorization.

2243250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2243250 is about 1497.7483099640. The cubic root of 2243250 is about 130.9059013848.

Adding to 2243250 its reverse (523422), we get a palindrome (2766672).

The spelling of 2243250 in words is "two million, two hundred forty-three thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 125 150 225 250 375 450 750 997 1125 1994 2250 2991 4985 5982 8973 9970 14955 17946 24925 29910 44865 49850 74775 89730 124625 149550 224325 249250 373875 448650 747750 1121625 2243250