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210134213 = 3127125013
BaseRepresentation
bin11001000011001…
…10010011000101
3112122101220221122
430201212103011
5412243243323
632503523325
75131053122
oct1441462305
9478356848
10210134213
11a8684a43
125a459545
13346c4c93
141dc9d749
15136abec8
hexc8664c5

210134213 has 8 divisors (see below), whose sum is σ = 217721856. Its totient is φ = 202597200.

The previous prime is 210134209. The next prime is 210134219. The reversal of 210134213 is 312431012.

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 210134213 - 22 = 210134209 is a prime.

It is a super-4 number, since 4×2101342134 (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210134191 and 210134200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210134219) 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, 4106 + ... + 20907.

It is an arithmetic number, because the mean of its divisors is an integer number (27215232).

Almost surely, 2210134213 is an apocalyptic number.

It is an amenable number.

210134213 is a deficient number, since it is larger than the sum of its proper divisors (7587643).

210134213 is a wasteful number, since it uses less digits than its factorization.

210134213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25315.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 210134213 is about 14496.0067949763. The cubic root of 210134213 is about 594.5187955473.

Adding to 210134213 its reverse (312431012), we get a palindrome (522565225).

The spelling of 210134213 in words is "two hundred ten million, one hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 31 271 8401 25013 775403 6778523 210134213