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231134206 = 27311931327
BaseRepresentation
bin11011100011011…
…01001111111110
3121002220211112011
431301231033332
5433132243311
634534001434
75504415442
oct1561551776
9532824464
10231134206
11109518606
12654a627a
1338b68604
14229a8822
1515459321
hexdc6d3fe

231134206 has 16 divisors (see below), whose sum is σ = 352010304. Its totient is φ = 113802624.

The previous prime is 231134161. The next prime is 231134243. The reversal of 231134206 is 602431132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173515 + ... + 174841.

It is an arithmetic number, because the mean of its divisors is an integer number (22000644).

Almost surely, 2231134206 is an apocalyptic number.

231134206 is a deficient number, since it is larger than the sum of its proper divisors (120876098).

231134206 is a wasteful number, since it uses less digits than its factorization.

231134206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 231134206 is about 15203.0985657530. The cubic root of 231134206 is about 613.6980463819.

Adding to 231134206 its reverse (602431132), we get a palindrome (833565338).

The spelling of 231134206 in words is "two hundred thirty-one million, one hundred thirty-four thousand, two hundred six".

Divisors: 1 2 73 146 1193 1327 2386 2654 87089 96871 174178 193742 1583111 3166222 115567103 231134206