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9820993 = 713107923
BaseRepresentation
bin100101011101…
…101101000001
3200110221212111
4211131231001
510003232433
6550255321
7146322430
oct45355501
920427774
109820993
1155a8726
123357541
13205b250
141439117
15cdedcd
hex95db41

9820993 has 8 divisors (see below), whose sum is σ = 12087488. Its totient is φ = 7770384.

The previous prime is 9820969. The next prime is 9820997. The reversal of 9820993 is 3990289.

It is a happy number.

9820993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

9820993 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 9820993 - 25 = 9820961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9820997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53871 + ... + 54052.

It is an arithmetic number, because the mean of its divisors is an integer number (1510936).

Almost surely, 29820993 is an apocalyptic number.

It is an amenable number.

9820993 is a deficient number, since it is larger than the sum of its proper divisors (2266495).

9820993 is a wasteful number, since it uses less digits than its factorization.

9820993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107943.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 9820993 is about 3133.8463587100. The cubic root of 9820993 is about 214.1501915356.

The spelling of 9820993 in words is "nine million, eight hundred twenty thousand, nine hundred ninety-three".

Divisors: 1 7 13 91 107923 755461 1402999 9820993