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75530050 = 2521510601
BaseRepresentation
bin1001000000001…
…11111101000010
312021010022202021
410200013331002
5123313430200
611254512054
71604665141
oct440077502
9167108667
1075530050
11396a8932
122136562a
131285694b
14a061758
15696e41a
hex4807f42

75530050 has 12 divisors (see below), whose sum is σ = 140485986. Its totient is φ = 30212000.

The previous prime is 75530047. The next prime is 75530051. The reversal of 75530050 is 5003557.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 70408881 + 5121169 = 8391^2 + 2263^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 75529997 and 75530024.

It is not an unprimeable number, because it can be changed into a prime (75530051) 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, 755251 + ... + 755350.

Almost surely, 275530050 is an apocalyptic number.

75530050 is a deficient number, since it is larger than the sum of its proper divisors (64955936).

75530050 is a wasteful number, since it uses less digits than its factorization.

75530050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510613 (or 1510608 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 75530050 is about 8690.8026096558. The cubic root of 75530050 is about 422.7074713674.

The spelling of 75530050 in words is "seventy-five million, five hundred thirty thousand, fifty".

Divisors: 1 2 5 10 25 50 1510601 3021202 7553005 15106010 37765025 75530050