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164163201 = 354721067
BaseRepresentation
bin10011100100011…
…10111010000001
3102102220100120120
421302032322001
5314011210301
624142330453
74032235626
oct1162167201
9372810516
10164163201
1184736274
1246b89a29
132801a6b7
1417b3434d
15e62ae36
hex9c8ee81

164163201 has 4 divisors (see below), whose sum is σ = 218884272. Its totient is φ = 109442132.

The previous prime is 164163187. The next prime is 164163217. The reversal of 164163201 is 102361461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164163201 - 210 = 164162177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164164201) 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, 27360531 + ... + 27360536.

It is an arithmetic number, because the mean of its divisors is an integer number (54721068).

Almost surely, 2164163201 is an apocalyptic number.

It is an amenable number.

164163201 is a deficient number, since it is larger than the sum of its proper divisors (54721071).

164163201 is an equidigital number, since it uses as much as digits as its factorization.

164163201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54721070.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 164163201 is about 12812.6188189613. The cubic root of 164163201 is about 547.5518751539.

The spelling of 164163201 in words is "one hundred sixty-four million, one hundred sixty-three thousand, two hundred one".

Divisors: 1 3 54721067 164163201