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835370009 = 918190989
BaseRepresentation
bin110001110010101…
…011110000011001
32011012220012012222
4301302223300121
53202323320014
6214520513425
726462346035
oct6162536031
92135805188
10835370009
113995a9941
121b391b875
131040b81a6
147cd351c5
154d51208e
hex31cabc19

835370009 has 4 divisors (see below), whose sum is σ = 835470180. Its totient is φ = 835269840.

The previous prime is 835369993. The next prime is 835370023. The reversal of 835370009 is 900073538.

835370009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 571210000 + 264160009 = 23900^2 + 16253^2 .

It is a cyclic number.

It is not a de Polignac number, because 835370009 - 24 = 835369993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (835370099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36314 + ... + 54675.

It is an arithmetic number, because the mean of its divisors is an integer number (208867545).

Almost surely, 2835370009 is an apocalyptic number.

It is an amenable number.

835370009 is a deficient number, since it is larger than the sum of its proper divisors (100171).

835370009 is an equidigital number, since it uses as much as digits as its factorization.

835370009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100170.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 835370009 is about 28902.7681892237. The cubic root of 835370009 is about 941.8020392463.

The spelling of 835370009 in words is "eight hundred thirty-five million, three hundred seventy thousand, nine".

Divisors: 1 9181 90989 835370009