Search a number
-
+
2409025 = 52173557
BaseRepresentation
bin1001001100001001000001
311112101120011
421030021001
51104042100
6123344521
726322253
oct11141101
94471504
102409025
1113a5a33
12982141
13664678
14469cd3
15328bba
hex24c241

2409025 has 12 divisors (see below), whose sum is σ = 3009852. Its totient is φ = 1912640.

The previous prime is 2409023. The next prime is 2409031. The reversal of 2409025 is 5209042.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 49729 + 2359296 = 223^2 + 1536^2 .

It is not a de Polignac number, because 2409025 - 21 = 2409023 is a prime.

It is a Duffinian number.

2409025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2408987 and 2409005.

It is not an unprimeable number, because it can be changed into a prime (2409023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4047 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (250821).

22409025 is an apocalyptic number.

2409025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2409025 is a deficient number, since it is larger than the sum of its proper divisors (600827).

2409025 is a wasteful number, since it uses less digits than its factorization.

2409025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2409025 is about 1552.1034115032. The cubic root of 2409025 is about 134.0542032147.

The spelling of 2409025 in words is "two million, four hundred nine thousand, twenty-five".

Divisors: 1 5 25 173 557 865 2785 4325 13925 96361 481805 2409025