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75600001 is a prime number
BaseRepresentation
bin1001000000110…
…01000010000001
312021020212201001
410200121002001
5123323200001
611300212001
71605406111
oct440310201
9167225631
1075600001
1139746444
122139a001
131287c739
14a07d041
156985001
hex4819081

75600001 has 2 divisors, whose sum is σ = 75600002. Its totient is φ = 75600000.

The previous prime is 75599981. The next prime is 75600047. The reversal of 75600001 is 10000657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 14447601 = 7820^2 + 3801^2 .

It is an emirp because it is prime and its reverse (10000657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75600001 - 223 = 67211393 is a prime.

It is not a weakly prime, because it can be changed into another prime (75600401) 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 as a sum of consecutive naturals, namely, 37800000 + 37800001.

It is an arithmetic number, because the mean of its divisors is an integer number (37800001).

Almost surely, 275600001 is an apocalyptic number.

It is an amenable number.

75600001 is a deficient number, since it is larger than the sum of its proper divisors (1).

75600001 is an equidigital number, since it uses as much as digits as its factorization.

75600001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 75600001 is about 8694.8261052191. The cubic root of 75600001 is about 422.8379257883.

Adding to 75600001 its reverse (10000657), we get a palindrome (85600658).

The spelling of 75600001 in words is "seventy-five million, six hundred thousand, one".