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115032025 = 5217326597
BaseRepresentation
bin1101101101100…
…11111111011001
322000110020021101
412312303333121
5213422011100
615225311401
72564520223
oct666637731
9260406241
10115032025
1159a29299
1232635561
131aaa78b4
14113c5413
15a17386a
hex6db3fd9

115032025 has 12 divisors (see below), whose sum is σ = 143469612. Its totient is φ = 91490240.

The previous prime is 115032007. The next prime is 115032037. The reversal of 115032025 is 520230511.

It can be written as a sum of positive squares in 6 ways, for example, as 12131289 + 102900736 = 3483^2 + 10144^2 .

It is not a de Polignac number, because 115032025 - 217 = 114900953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115031993 and 115032011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8974 + ... + 17623.

It is an arithmetic number, because the mean of its divisors is an integer number (11955801).

Almost surely, 2115032025 is an apocalyptic number.

It is an amenable number.

115032025 is a deficient number, since it is larger than the sum of its proper divisors (28437587).

115032025 is a wasteful number, since it uses less digits than its factorization.

115032025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26780 (or 26775 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 115032025 is about 10725.2983641482. The cubic root of 115032025 is about 486.3395497273.

Adding to 115032025 its reverse (520230511), we get a palindrome (635262536).

The spelling of 115032025 in words is "one hundred fifteen million, thirty-two thousand, twenty-five".

Divisors: 1 5 25 173 865 4325 26597 132985 664925 4601281 23006405 115032025