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853048849 = 292072
BaseRepresentation
bin110010110110000…
…111111000010001
32012110011101000211
4302312013320101
53221340030344
6220351444121
730065536612
oct6266077021
92173141024
10853048849
113a8584254
121b9826641
13107967c43
1481417c09
154ed55334
hex32d87e11

853048849 has 3 divisors (see below), whose sum is σ = 853078057. Its totient is φ = 853019642.

The previous prime is 853048843. The next prime is 853048853. The reversal of 853048849 is 948840358.

The square root of 853048849 is 29207.

It is a perfect power (a square), and thus also a powerful number.

853048849 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, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 853048849 - 223 = 844660241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853048843) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14604 + ... + 43810.

Almost surely, 2853048849 is an apocalyptic number.

853048849 is the 29207-th square number.

853048849 is the 14604-th centered octagonal number.

It is an amenable number.

853048849 is a deficient number, since it is larger than the sum of its proper divisors (29208).

853048849 is an frugal number, since it uses more digits than its factorization.

853048849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58414 (or 29207 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The cubic root of 853048849 is about 948.3994652715.

Multiplying 853048849 by its sum of digits (49), we get a square (41799393601 = 2044492).

The spelling of 853048849 in words is "eight hundred fifty-three million, forty-eight thousand, eight hundred forty-nine".

Divisors: 1 29207 853048849