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84483791 = 728320773
BaseRepresentation
bin1010000100100…
…01111011001111
312212222012222022
411002101323033
5133111440131
612214440355
72044046300
oct502217317
9185865868
1084483791
1143763a17
12243630bb
1314670212
14b3127a7
15763c37b
hex5091ecf

84483791 has 12 divisors (see below), whose sum is σ = 99465912. Its totient is φ = 71538768.

The previous prime is 84483787. The next prime is 84483803. The reversal of 84483791 is 19738448.

It is not a de Polignac number, because 84483791 - 22 = 84483787 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84483491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6320 + ... + 14453.

It is an arithmetic number, because the mean of its divisors is an integer number (8288826).

Almost surely, 284483791 is an apocalyptic number.

84483791 is a deficient number, since it is larger than the sum of its proper divisors (14982121).

84483791 is a wasteful number, since it uses less digits than its factorization.

84483791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20870 (or 20863 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 84483791 is about 9191.5064597703. The cubic root of 84483791 is about 438.7910875124.

The spelling of 84483791 in words is "eighty-four million, four hundred eighty-three thousand, seven hundred ninety-one".

Divisors: 1 7 49 83 581 4067 20773 145411 1017877 1724159 12069113 84483791