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2043225 = 34521009
BaseRepresentation
bin111110010110101011001
310211210210000
413302311121
51010340400
6111443213
723236632
oct7626531
93753700
102043225
111176118
12826509
13567012
143b2889
152a5600
hex1f2d59

2043225 has 30 divisors (see below), whose sum is σ = 3788510. Its totient is φ = 1088640.

The previous prime is 2043199. The next prime is 2043257. The reversal of 2043225 is 5223402.

It can be written as a sum of positive squares in 3 ways, for example, as 46656 + 1996569 = 216^2 + 1413^2 .

It is not a de Polignac number, because 2043225 - 25 = 2043193 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

2043225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2043198 and 2043207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1521 + ... + 2529.

22043225 is an apocalyptic number.

2043225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2043225 is a deficient number, since it is larger than the sum of its proper divisors (1745285).

2043225 is a wasteful number, since it uses less digits than its factorization.

2043225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1017 counting only the distinct ones).

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

The square root of 2043225 is about 1429.4142156842. The cubic root of 2043225 is about 126.8933115198.

Adding to 2043225 its reverse (5223402), we get a palindrome (7266627).

The spelling of 2043225 in words is "two million, forty-three thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 405 675 1009 2025 3027 5045 9081 15135 25225 27243 45405 75675 81729 136215 227025 408645 681075 2043225