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73200125 = 53585601
BaseRepresentation
bin1000101110011…
…11000111111101
312002201221200202
410113033013331
5122214401000
611132533245
71546122305
oct427170775
9162657622
1073200125
1138357379
1220621225
131221c2ab
149a16605
15665ddd5
hex45cf1fd

73200125 has 8 divisors (see below), whose sum is σ = 91353912. Its totient is φ = 58560000.

The previous prime is 73200121. The next prime is 73200137. The reversal of 73200125 is 52100237.

It can be written as a sum of positive squares in 4 ways, for example, as 6255001 + 66945124 = 2501^2 + 8182^2 .

It is not a de Polignac number, because 73200125 - 22 = 73200121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73200097 and 73200106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73200121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292676 + ... + 292925.

It is an arithmetic number, because the mean of its divisors is an integer number (11419239).

Almost surely, 273200125 is an apocalyptic number.

It is an amenable number.

73200125 is a deficient number, since it is larger than the sum of its proper divisors (18153787).

73200125 is an equidigital number, since it uses as much as digits as its factorization.

73200125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585616 (or 585606 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 73200125 is about 8555.7071595515. The cubic root of 73200125 is about 418.3154845306.

The spelling of 73200125 in words is "seventy-three million, two hundred thousand, one hundred twenty-five".

Divisors: 1 5 25 125 585601 2928005 14640025 73200125