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164335213 = 727186629
BaseRepresentation
bin10011100101110…
…00111001101101
3102110020002112101
421302320321231
5314032211323
624150135101
74033553260
oct1162707155
9373202471
10164335213
1184843529
1247051491
132807aa93
1417b7acd7
15e661dad
hex9cb8e6d

164335213 has 8 divisors (see below), whose sum is σ = 188506880. Its totient is φ = 140337360.

The previous prime is 164335189. The next prime is 164335219. The reversal of 164335213 is 312533461.

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 164335213 - 217 = 164204141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164335219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41418 + ... + 45211.

It is an arithmetic number, because the mean of its divisors is an integer number (23563360).

Almost surely, 2164335213 is an apocalyptic number.

It is an amenable number.

164335213 is a deficient number, since it is larger than the sum of its proper divisors (24171667).

164335213 is an equidigital number, since it uses as much as digits as its factorization.

164335213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86907.

The product of its digits is 6480, while the sum is 28.

The square root of 164335213 is about 12819.3296626618. The cubic root of 164335213 is about 547.7430520144.

Adding to 164335213 its reverse (312533461), we get a palindrome (476868674).

It can be divided in two parts, 1643 and 35213, that added together give a triangular number (36856 = T271).

The spelling of 164335213 in words is "one hundred sixty-four million, three hundred thirty-five thousand, two hundred thirteen".

Divisors: 1 7 271 1897 86629 606403 23476459 164335213