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75668585 = 515133717
BaseRepresentation
bin1001000001010…
…01110001101001
312021101100210012
410200221301221
5123332343320
611301501305
71606113056
oct440516151
9167340705
1075668585
1139792a23
1221411835
13128a4a15
14a09a02d
15699a4c5
hex4829c69

75668585 has 4 divisors (see below), whose sum is σ = 90802308. Its totient is φ = 60534864.

The previous prime is 75668573. The next prime is 75668603. The reversal of 75668585 is 58586657.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21307456 + 54361129 = 4616^2 + 7373^2 .

It is a cyclic number.

It is not a de Polignac number, because 75668585 - 26 = 75668521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7566854 + ... + 7566863.

It is an arithmetic number, because the mean of its divisors is an integer number (22700577).

Almost surely, 275668585 is an apocalyptic number.

It is an amenable number.

75668585 is a deficient number, since it is larger than the sum of its proper divisors (15133723).

75668585 is a wasteful number, since it uses less digits than its factorization.

75668585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15133722.

The product of its digits is 2016000, while the sum is 50.

The square root of 75668585 is about 8698.7691658073. The cubic root of 75668585 is about 422.9657527318.

The spelling of 75668585 in words is "seventy-five million, six hundred sixty-eight thousand, five hundred eighty-five".

Divisors: 1 5 15133717 75668585