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73108225 = 522924329
BaseRepresentation
bin1000101101110…
…00101100000001
312002120021122001
410112320230001
5122203430400
611130544001
71545260341
oct426705401
9162507561
1073108225
11382a4323
1220598001
13121b9508
1499d0d21
156641a6a
hex45b8b01

73108225 has 6 divisors (see below), whose sum is σ = 90654230. Its totient is φ = 58486560.

The previous prime is 73108223. The next prime is 73108229. The reversal of 73108225 is 52280137.

It can be written as a sum of positive squares in 3 ways, for example, as 1129969 + 71978256 = 1063^2 + 8484^2 .

It is not a de Polignac number, because 73108225 - 21 = 73108223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73108193 and 73108202.

It is not an unprimeable number, because it can be changed into a prime (73108223) by changing a digit.

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, 1462140 + ... + 1462189.

Almost surely, 273108225 is an apocalyptic number.

It is an amenable number.

73108225 is a deficient number, since it is larger than the sum of its proper divisors (17546005).

73108225 is a wasteful number, since it uses less digits than its factorization.

73108225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924339 (or 2924334 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 73108225 is about 8550.3347887670. The cubic root of 73108225 is about 418.1403514405.

The spelling of 73108225 in words is "seventy-three million, one hundred eight thousand, two hundred twenty-five".

Divisors: 1 5 25 2924329 14621645 73108225