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84848869 = 712121267
BaseRepresentation
bin1010000111010…
…11000011100101
312220122202202201
411003223003211
5133210130434
612230334501
72050126540
oct503530345
9186582681
1084848869
1143993236
12244ba431
131476a441
14b3a9857
1576b0614
hex50eb0e5

84848869 has 4 divisors (see below), whose sum is σ = 96970144. Its totient is φ = 72727596.

The previous prime is 84848857. The next prime is 84848879. The reversal of 84848869 is 96884848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84848869 - 25 = 84848837 is a prime.

It is a super-2 number, since 2×848488692 = 14398661141158322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84848879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060627 + ... + 6060640.

It is an arithmetic number, because the mean of its divisors is an integer number (24242536).

Almost surely, 284848869 is an apocalyptic number.

It is an amenable number.

84848869 is a deficient number, since it is larger than the sum of its proper divisors (12121275).

84848869 is a wasteful number, since it uses less digits than its factorization.

84848869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12121274.

The product of its digits is 3538944, while the sum is 55.

The square root of 84848869 is about 9211.3445815473. The cubic root of 84848869 is about 439.4222254579.

The spelling of 84848869 in words is "eighty-four million, eight hundred forty-eight thousand, eight hundred sixty-nine".

Divisors: 1 7 12121267 84848869