Search a number
-
+
1750225 = 5270009
BaseRepresentation
bin110101011010011010001
310021220212011
412223103101
5422001400
6101302521
720606461
oct6532321
93256764
101750225
11a95a74
12704a41
13493849
14337ba1
152488ba
hex1ab4d1

1750225 has 6 divisors (see below), whose sum is σ = 2170310. Its totient is φ = 1400160.

The previous prime is 1750193. The next prime is 1750253. The reversal of 1750225 is 5220571.

It can be written as a sum of positive squares in 3 ways, for example, as 5184 + 1745041 = 72^2 + 1321^2 .

It is not a de Polignac number, because 1750225 - 25 = 1750193 is a prime.

It is an Ulam number.

1750225 is a modest number, since divided by 225 gives 175 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1750196 and 1750205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34980 + ... + 35029.

21750225 is an apocalyptic number.

It is an amenable number.

1750225 is a deficient number, since it is larger than the sum of its proper divisors (420085).

1750225 is an equidigital number, since it uses as much as digits as its factorization.

1750225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70019 (or 70014 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 1750225 is about 1322.9606948054. The cubic root of 1750225 is about 120.5122775780.

Adding to 1750225 its reverse (5220571), we get a palindrome (6970796).

The spelling of 1750225 in words is "one million, seven hundred fifty thousand, two hundred twenty-five".

Divisors: 1 5 25 70009 350045 1750225