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75700018 = 289425281
BaseRepresentation
bin1001000001100…
…01011100110010
312021102221220101
410200301130302
5123334400033
611302303014
71606303522
oct440613462
9167387811
1075700018
11398045a9
1221427a6a
13128b6114
14a0a7682
1569a497d
hex4831732

75700018 has 8 divisors (see below), whose sum is σ = 114826140. Its totient is φ = 37424640.

The previous prime is 75700013. The next prime is 75700019. The reversal of 75700018 is 81000757.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75568249 + 131769 = 8693^2 + 363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (75700013) 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 3 ways as a sum of consecutive naturals, for example, 212463 + ... + 212818.

Almost surely, 275700018 is an apocalyptic number.

75700018 is a deficient number, since it is larger than the sum of its proper divisors (39126122).

75700018 is a wasteful number, since it uses less digits than its factorization.

75700018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425372.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 75700018 is about 8700.5757280768. The cubic root of 75700018 is about 423.0243117846.

The spelling of 75700018 in words is "seventy-five million, seven hundred thousand, eighteen".

Divisors: 1 2 89 178 425281 850562 37850009 75700018