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164355133 = 1719350093
BaseRepresentation
bin10011100101111…
…01110000111101
3102110021002212011
421302331300331
5314033331013
624150411221
74033665325
oct1162756075
9373232764
10164355133
1184857498
1247060b11
1328086b77
1417b84285
15e667c3d
hex9cbdc3d

164355133 has 8 divisors (see below), whose sum is σ = 174928248. Its totient is φ = 153882624.

The previous prime is 164355091. The next prime is 164355137. The reversal of 164355133 is 331553461.

It can be written as a sum of positive squares in 4 ways, for example, as 1996569 + 162358564 = 1413^2 + 12742^2 .

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 164355133 - 29 = 164354621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164355095 and 164355104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164355137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21766 + ... + 28327.

It is an arithmetic number, because the mean of its divisors is an integer number (21866031).

Almost surely, 2164355133 is an apocalyptic number.

It is an amenable number.

164355133 is a deficient number, since it is larger than the sum of its proper divisors (10573115).

164355133 is a wasteful number, since it uses less digits than its factorization.

164355133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50303.

The product of its digits is 16200, while the sum is 31.

The square root of 164355133 is about 12820.1065908205. The cubic root of 164355133 is about 547.7651827973.

The spelling of 164355133 in words is "one hundred sixty-four million, three hundred fifty-five thousand, one hundred thirty-three".

Divisors: 1 17 193 3281 50093 851581 9667949 164355133