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84482281 = 1322512887
BaseRepresentation
bin1010000100100…
…01100011101001
312212222010220101
411002101203221
5133111413111
612214425401
72044042012
oct502214351
9185863811
1084482281
1143762874
1224362261
131466c620
14b312009
15763bbc1
hex50918e9

84482281 has 8 divisors (see below), whose sum is σ = 91052864. Its totient is φ = 77922000.

The previous prime is 84482273. The next prime is 84482291. The reversal of 84482281 is 18228448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84482281 - 23 = 84482273 is a prime.

It is a super-2 number, since 2×844822812 = 14274511605925922, which contains 22 as substring.

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 84482281.

It is not an unprimeable number, because it can be changed into a prime (84482201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27820 + ... + 30706.

It is an arithmetic number, because the mean of its divisors is an integer number (11381608).

Almost surely, 284482281 is an apocalyptic number.

It is an amenable number.

84482281 is a deficient number, since it is larger than the sum of its proper divisors (6570583).

84482281 is a wasteful number, since it uses less digits than its factorization.

84482281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151.

The product of its digits is 32768, while the sum is 37.

The square root of 84482281 is about 9191.4243183524. The cubic root of 84482281 is about 438.7884732890.

The spelling of 84482281 in words is "eighty-four million, four hundred eighty-two thousand, two hundred eighty-one".

Divisors: 1 13 2251 2887 29263 37531 6498637 84482281