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164175001 = 179657353
BaseRepresentation
bin10011100100100…
…01110010011001
3102102220221202121
421302101302121
5314012100001
624142501241
74032315214
oct1162216231
9372827677
10164175001
1184744121
1246b94821
1328022b93
1417b3877b
15e62e6a1
hex9c91c99

164175001 has 4 divisors (see below), whose sum is σ = 173832372. Its totient is φ = 154517632.

The previous prime is 164174999. The next prime is 164175017. The reversal of 164175001 is 100571461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100571461 = 242341507.

It can be written as a sum of positive squares in 2 ways, for example, as 106110601 + 58064400 = 10301^2 + 7620^2 .

It is a cyclic number.

It is not a de Polignac number, because 164175001 - 21 = 164174999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164175071) 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 3 ways as a sum of consecutive naturals, for example, 4828660 + ... + 4828693.

It is an arithmetic number, because the mean of its divisors is an integer number (43458093).

Almost surely, 2164175001 is an apocalyptic number.

It is an amenable number.

164175001 is a deficient number, since it is larger than the sum of its proper divisors (9657371).

164175001 is an equidigital number, since it uses as much as digits as its factorization.

164175001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9657370.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 164175001 is about 12813.0792942212. The cubic root of 164175001 is about 547.5649941260.

The spelling of 164175001 in words is "one hundred sixty-four million, one hundred seventy-five thousand, one".

Divisors: 1 17 9657353 164175001