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75324161 = 1117402803
BaseRepresentation
bin1000111110101…
…01101100000001
312020201212022202
410133111230001
5123240333121
611250242545
71603146653
oct437255401
9166655282
1075324161
1139578180
1221286455
13127b4013
14a00a6d3
15692d40b
hex47d5b01

75324161 has 8 divisors (see below), whose sum is σ = 87005664. Its totient is φ = 64448320.

The previous prime is 75324157. The next prime is 75324163. The reversal of 75324161 is 16142357.

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

It is a cyclic number.

It is not a de Polignac number, because 75324161 - 22 = 75324157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75324163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201215 + ... + 201588.

It is an arithmetic number, because the mean of its divisors is an integer number (10875708).

Almost surely, 275324161 is an apocalyptic number.

It is an amenable number.

75324161 is a deficient number, since it is larger than the sum of its proper divisors (11681503).

75324161 is a wasteful number, since it uses less digits than its factorization.

75324161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402831.

The product of its digits is 5040, while the sum is 29.

The square root of 75324161 is about 8678.9493027670. The cubic root of 75324161 is about 422.3230326869.

The spelling of 75324161 in words is "seventy-five million, three hundred twenty-four thousand, one hundred sixty-one".

Divisors: 1 11 17 187 402803 4430833 6847651 75324161