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6831066 = 2311294383
BaseRepresentation
bin11010000011101111011010
3110212001110110
4122003233122
53222043231
6402225150
7112030434
oct32035732
913761413
106831066
113946310
1223551b6
131552368
14c9b654
158ee046
hex683bda

6831066 has 64 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 1928640.

The previous prime is 6831061. The next prime is 6831091. The reversal of 6831066 is 6601386.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6831061) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 82261 + ... + 82343.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 26831066 is an apocalyptic number.

6831066 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6831066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7983360).

6831066 is an abundant number, since it is smaller than the sum of its proper divisors (9135654).

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

6831066 is a wasteful number, since it uses less digits than its factorization.

6831066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6831066 is about 2613.6308078992. The cubic root of 6831066 is about 189.7417173830.

The spelling of 6831066 in words is "six million, eight hundred thirty-one thousand, sixty-six".

Divisors: 1 2 3 6 11 22 29 33 43 58 66 83 86 87 129 166 174 249 258 319 473 498 638 913 946 957 1247 1419 1826 1914 2407 2494 2739 2838 3569 3741 4814 5478 7138 7221 7482 10707 13717 14442 21414 26477 27434 39259 41151 52954 78518 79431 82302 103501 117777 158862 207002 235554 310503 621006 1138511 2277022 3415533 6831066