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848242889 = 1365249453
BaseRepresentation
bin110010100011110…
…010100011001001
32012010010012111022
4302203302203021
53214122233024
6220100442225
730006642224
oct6243624311
92163105438
10848242889
113a58a148a
121b80a9375
13106974590
14809265bb
154e70635e
hex328f28c9

848242889 has 4 divisors (see below), whose sum is σ = 913492356. Its totient is φ = 782993424.

The previous prime is 848242867. The next prime is 848242903. The reversal of 848242889 is 988242848.

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 238548025 + 609694864 = 15445^2 + 24692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-848242889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 848242889.

It is not an unprimeable number, because it can be changed into a prime (848242849) 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, 32624714 + ... + 32624739.

It is an arithmetic number, because the mean of its divisors is an integer number (228373089).

Almost surely, 2848242889 is an apocalyptic number.

It is an amenable number.

848242889 is a deficient number, since it is larger than the sum of its proper divisors (65249467).

848242889 is a wasteful number, since it uses less digits than its factorization.

848242889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65249466.

The product of its digits is 2359296, while the sum is 53.

The square root of 848242889 is about 29124.6096797880. The cubic root of 848242889 is about 946.6150592748.

The spelling of 848242889 in words is "eight hundred forty-eight million, two hundred forty-two thousand, eight hundred eighty-nine".

Divisors: 1 13 65249453 848242889