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9681013 = 193747293
BaseRepresentation
bin100100111011…
…100001110101
3200012211212001
4210323201311
54434243023
6543255301
7145200346
oct44734165
920184761
109681013
115512541
1232aa531
13200c614
1414000cd
15cb36ad
hex93b875

9681013 has 16 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 8703936.

The previous prime is 9681011. The next prime is 9681017. The reversal of 9681013 is 3101869.

It is a happy number.

9681013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9681013 - 21 = 9681011 is a prime.

9681013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681011) 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 15 ways as a sum of consecutive naturals, for example, 32895 + ... + 33187.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

Almost surely, 29681013 is an apocalyptic number.

It is an amenable number.

9681013 is a deficient number, since it is larger than the sum of its proper divisors (1044107).

9681013 is a wasteful number, since it uses less digits than its factorization.

9681013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 9681013 is about 3111.4326282277. The cubic root of 9681013 is about 213.1278813575.

The spelling of 9681013 in words is "nine million, six hundred eighty-one thousand, thirteen".

Divisors: 1 19 37 47 293 703 893 1739 5567 10841 13771 33041 205979 261649 509527 9681013