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75006069 = 3211118493
BaseRepresentation
bin1000111100010…
…00000001110101
312020010200222120
410132020001311
5123200143234
611235350153
71600353405
oct436100165
9166120876
1075006069
1139380196
1221152359
13127022b8
149d66805
1568b9049
hex4788075

75006069 has 8 divisors (see below), whose sum is σ = 100482912. Its totient is φ = 49766640.

The previous prime is 75006017. The next prime is 75006089. The reversal of 75006069 is 96060057.

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

It is not a de Polignac number, because 75006069 - 212 = 75001973 is a prime.

It is a super-2 number, since 2×750060692 = 11251820773665522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75006089) 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 7 ways as a sum of consecutive naturals, for example, 58614 + ... + 59879.

It is an arithmetic number, because the mean of its divisors is an integer number (12560364).

Almost surely, 275006069 is an apocalyptic number.

It is an amenable number.

75006069 is a deficient number, since it is larger than the sum of its proper divisors (25476843).

75006069 is a wasteful number, since it uses less digits than its factorization.

75006069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118707.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 75006069 is about 8660.6044246346. The cubic root of 75006069 is about 421.7277074393.

The spelling of 75006069 in words is "seventy-five million, six thousand, sixty-nine".

Divisors: 1 3 211 633 118493 355479 25002023 75006069