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164311201 = 473495983
BaseRepresentation
bin10011100101100…
…11000010100001
3102110011212121001
421302303002201
5314030424301
624145432001
74033423255
oct1162630241
9373155531
10164311201
118482748a
124703b601
132806cb82
1417b72265
15e659c01
hex9cb30a1

164311201 has 4 divisors (see below), whose sum is σ = 167807232. Its totient is φ = 160815172.

The previous prime is 164311193. The next prime is 164311211. The reversal of 164311201 is 102113461.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102113461 = 127804043.

It is a cyclic number.

It is not a de Polignac number, because 164311201 - 23 = 164311193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164311211) 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, 1747945 + ... + 1748038.

It is an arithmetic number, because the mean of its divisors is an integer number (41951808).

Almost surely, 2164311201 is an apocalyptic number.

It is an amenable number.

164311201 is a deficient number, since it is larger than the sum of its proper divisors (3496031).

164311201 is an equidigital number, since it uses as much as digits as its factorization.

164311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496030.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 164311201 is about 12818.3930740167. The cubic root of 164311201 is about 547.7163727114.

Adding to 164311201 its reverse (102113461), we get a palindrome (266424662).

The spelling of 164311201 in words is "one hundred sixty-four million, three hundred eleven thousand, two hundred one".

Divisors: 1 47 3495983 164311201