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2251250 = 2541801
BaseRepresentation
bin1000100101100111110010
311020101010122
420211213302
51034020000
6120130242
725064261
oct10454762
94211118
102251250
1112a8441
12906982
1360a901
144285d8
152e7085
hex2259f2

2251250 has 20 divisors (see below), whose sum is σ = 4222086. Its totient is φ = 900000.

The previous prime is 2251229. The next prime is 2251279. The reversal of 2251250 is 521522.

2251250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 22201 + 2229049 = 149^2 + 1493^2 .

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

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 9 ways as a sum of consecutive naturals, for example, 350 + ... + 2150.

22251250 is an apocalyptic number.

2251250 is a deficient number, since it is larger than the sum of its proper divisors (1970836).

2251250 is an equidigital number, since it uses as much as digits as its factorization.

2251250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2251250 is about 1500.4166088124. The cubic root of 2251250 is about 131.0613313421.

Adding to 2251250 its reverse (521522), we get a palindrome (2772772).

The spelling of 2251250 in words is "two million, two hundred fifty-one thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 1250 1801 3602 9005 18010 45025 90050 225125 450250 1125625 2251250