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75334081 = 338922229
BaseRepresentation
bin1000111110110…
…00000111000001
312020202100221011
410133120013001
5123241142311
611250400521
71603220614
oct437300701
9166670834
1075334081
1139584679
1221290141
13127b86a4
14a01017b
156931321
hex47d81c1

75334081 has 4 divisors (see below), whose sum is σ = 75359700. Its totient is φ = 75308464.

The previous prime is 75334079. The next prime is 75334111. The reversal of 75334081 is 18043357.

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 51480625 + 23853456 = 7175^2 + 4884^2 .

It is a cyclic number.

It is not a de Polignac number, because 75334081 - 21 = 75334079 is a prime.

It is a super-2 number, since 2×753340812 = 11350447520229122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75334381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7726 + ... + 14503.

It is an arithmetic number, because the mean of its divisors is an integer number (18839925).

Almost surely, 275334081 is an apocalyptic number.

It is an amenable number.

75334081 is a deficient number, since it is larger than the sum of its proper divisors (25619).

75334081 is a wasteful number, since it uses less digits than its factorization.

75334081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25618.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 75334081 is about 8679.5207817022. The cubic root of 75334081 is about 422.3415714954.

The spelling of 75334081 in words is "seventy-five million, three hundred thirty-four thousand, eighty-one".

Divisors: 1 3389 22229 75334081