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231076085 = 546215217
BaseRepresentation
bin11011100010111…
…11000011110101
3121002210212210112
431301133003311
5433123413320
634532432405
75504054132
oct1561370365
9532725715
10231076085
11109488979
1265478705
1338b48016
1422991589
1515446ec5
hexdc5f0f5

231076085 has 4 divisors (see below), whose sum is σ = 277291308. Its totient is φ = 184860864.

The previous prime is 231076057. The next prime is 231076091. The reversal of 231076085 is 580670132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137334961 + 93741124 = 11719^2 + 9682^2 .

It is a cyclic number.

It is not a de Polignac number, because 231076085 - 212 = 231071989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23107604 + ... + 23107613.

It is an arithmetic number, because the mean of its divisors is an integer number (69322827).

Almost surely, 2231076085 is an apocalyptic number.

It is an amenable number.

231076085 is a deficient number, since it is larger than the sum of its proper divisors (46215223).

231076085 is an equidigital number, since it uses as much as digits as its factorization.

231076085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46215222.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 231076085 is about 15201.1869602344. The cubic root of 231076085 is about 613.6466019059.

It can be divided in two parts, 23107 and 6085, that added together give a palindrome (29192).

The spelling of 231076085 in words is "two hundred thirty-one million, seventy-six thousand, eighty-five".

Divisors: 1 5 46215217 231076085