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164002211 = 1131451347
BaseRepresentation
bin10011100011001…
…11100110100011
3102102121011201222
421301213212203
5313441032321
624135045255
74030665362
oct1161474643
9372534658
10164002211
118463631a
1246b1082b
1327c92339
1417ad17d9
15e5e83ab
hex9c679a3

164002211 has 4 divisors (see below), whose sum is σ = 165453672. Its totient is φ = 162550752.

The previous prime is 164002199. The next prime is 164002229. The reversal of 164002211 is 112200461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112200461 = 791420259.

It is a cyclic number.

It is not a de Polignac number, because 164002211 - 26 = 164002147 is a prime.

It is a super-3 number, since 3×1640022113 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164002211.

It is not an unprimeable number, because it can be changed into a prime (164002271) 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, 725561 + ... + 725786.

It is an arithmetic number, because the mean of its divisors is an integer number (41363418).

Almost surely, 2164002211 is an apocalyptic number.

164002211 is a deficient number, since it is larger than the sum of its proper divisors (1451461).

164002211 is a wasteful number, since it uses less digits than its factorization.

164002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451460.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 164002211 is about 12806.3347996216. The cubic root of 164002211 is about 547.3728272978.

Adding to 164002211 its reverse (112200461), we get a palindrome (276202672).

The spelling of 164002211 in words is "one hundred sixty-four million, two thousand, two hundred eleven".

Divisors: 1 113 1451347 164002211