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172132206 = 2383345647
BaseRepresentation
bin10100100001010…
…00011101101110
3102222220012222220
422100220131232
5323031212311
625025220210
74160046111
oct1220503556
9388805886
10172132206
1189189524
1249791666
132987a99c
1418c0a578
15101a2206
hexa42876e

172132206 has 16 divisors (see below), whose sum is σ = 348413184. Its totient is φ = 56685944.

The previous prime is 172132193. The next prime is 172132241. The reversal of 172132206 is 602231271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172326 + ... + 173321.

It is an arithmetic number, because the mean of its divisors is an integer number (21775824).

Almost surely, 2172132206 is an apocalyptic number.

172132206 is an abundant number, since it is smaller than the sum of its proper divisors (176280978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172132206 is a wasteful number, since it uses less digits than its factorization.

172132206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345735.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 172132206 is about 13119.9163869287. The cubic root of 172132206 is about 556.2722279381.

Adding to 172132206 its reverse (602231271), we get a palindrome (774363477).

The spelling of 172132206 in words is "one hundred seventy-two million, one hundred thirty-two thousand, two hundred six".

Divisors: 1 2 3 6 83 166 249 498 345647 691294 1036941 2073882 28688701 57377402 86066103 172132206