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331113006 = 232710924109
BaseRepresentation
bin10011101111000…
…110001000101110
3212002001021122200
4103233012020232
51134231104011
652504522330
711130262020
oct2357061056
9762037580
10331113006
1115a9a5114
1292a803a6
13537a2573
1431d92010
151e107856
hex13bc622e

331113006 has 48 divisors (see below), whose sum is σ = 827455200. Its totient is φ = 93731904.

The previous prime is 331113001. The next prime is 331113031. The reversal of 331113006 is 600311133.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 331113006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331113001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1680 + ... + 25788.

It is an arithmetic number, because the mean of its divisors is an integer number (17238650).

Almost surely, 2331113006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331113006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413727600).

331113006 is an abundant number, since it is smaller than the sum of its proper divisors (496342194).

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

331113006 is a wasteful number, since it uses less digits than its factorization.

331113006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24233 (or 24230 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 331113006 is about 18196.5108193851. The cubic root of 331113006 is about 691.8183544863.

Adding to 331113006 its reverse (600311133), we get a palindrome (931424139).

The spelling of 331113006 in words is "three hundred thirty-one million, one hundred thirteen thousand, six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 109 126 218 327 654 763 981 1526 1962 2289 4578 6867 13734 24109 48218 72327 144654 168763 216981 337526 433962 506289 1012578 1518867 2627881 3037734 5255762 7883643 15767286 18395167 23650929 36790334 47301858 55185501 110371002 165556503 331113006