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853905834 = 23315813071
BaseRepresentation
bin110010111001011…
…001000110101010
32012111202220121000
4302321121012222
53222044441314
6220422055430
730106036245
oct6271310652
92174686530
10853905834
113a900a101
121b9b7a576
13107ba8032
148159c25c
154ee74209
hex32e591aa

853905834 has 16 divisors (see below), whose sum is σ = 1897568640. Its totient is φ = 284635260.

The previous prime is 853905827. The next prime is 853905839. The reversal of 853905834 is 438509358.

It is a happy number.

853905834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 853905834.

It is not an unprimeable number, because it can be changed into a prime (853905839) 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, 7906482 + ... + 7906589.

It is an arithmetic number, because the mean of its divisors is an integer number (118598040).

Almost surely, 2853905834 is an apocalyptic number.

853905834 is an abundant number, since it is smaller than the sum of its proper divisors (1043662806).

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

853905834 is a wasteful number, since it uses less digits than its factorization.

853905834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813082 (or 15813076 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 853905834 is about 29221.6672008974. The cubic root of 853905834 is about 948.7169508399.

The spelling of 853905834 in words is "eight hundred fifty-three million, nine hundred five thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 15813071 31626142 47439213 94878426 142317639 284635278 426952917 853905834