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9093493285 = 5531391731427
BaseRepresentation
bin10000111100000001…
…11011001000100101
3212110202000022200121
420132000323020211
5122110413241120
64102201041541
7441226263142
oct103600731045
925422008617
109093493285
113947049108
1219194862b1
13b1bc56276
146239d13c9
153834e85aa
hex21e03b225

9093493285 has 32 divisors (see below), whose sum is σ = 11270689920. Its totient is φ = 7040287488.

The previous prime is 9093493261. The next prime is 9093493289. The reversal of 9093493285 is 5823943909.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9093493285 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9093493289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6371742 + ... + 6373168.

It is an arithmetic number, because the mean of its divisors is an integer number (352209060).

Almost surely, 29093493285 is an apocalyptic number.

It is an amenable number.

9093493285 is a deficient number, since it is larger than the sum of its proper divisors (2177196635).

9093493285 is a wasteful number, since it uses less digits than its factorization.

9093493285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 9093493285 is about 95359.8095897847. The cubic root of 9093493285 is about 2087.2617609001.

The spelling of 9093493285 in words is "nine billion, ninety-three million, four hundred ninety-three thousand, two hundred eighty-five".

Divisors: 1 5 53 139 173 265 695 865 1427 7135 7367 9169 24047 36835 45845 75631 120235 198353 246871 378155 991765 1234355 1274491 6372455 10512709 13084163 34315069 52563545 65420815 171575345 1818698657 9093493285