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231085606 = 2983117541
BaseRepresentation
bin11011100011000…
…01011000100110
3121002211100212011
431301201120212
5433124214411
634532544434
75504123653
oct1561413046
9532740764
10231085606
11109495044
126548211a
1338b4c45b
1422994c2a
1515449c21
hexdc61626

231085606 has 8 divisors (see below), whose sum is σ = 346983984. Its totient is φ = 115424280.

The previous prime is 231085597. The next prime is 231085639. The reversal of 231085606 is 606580132.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 56805 + ... + 60736.

It is an arithmetic number, because the mean of its divisors is an integer number (43372998).

Almost surely, 2231085606 is an apocalyptic number.

231085606 is a deficient number, since it is larger than the sum of its proper divisors (115898378).

231085606 is a wasteful number, since it uses less digits than its factorization.

231085606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118526.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 231085606 is about 15201.5001233431. The cubic root of 231085606 is about 613.6550297924.

The spelling of 231085606 in words is "two hundred thirty-one million, eighty-five thousand, six hundred six".

Divisors: 1 2 983 1966 117541 235082 115542803 231085606