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86484447 = 3271972251
BaseRepresentation
bin1010010011110…
…10010111011111
320000201212100200
411021322113133
5134120000242
612325354543
72100051150
oct511722737
9200655320
1086484447
1144900055
1224b68a53
1314bc0a3a
14b6b3927
1578d504c
hex527a5df

86484447 has 24 divisors (see below), whose sum is σ = 150284160. Its totient is φ = 46818000.

The previous prime is 86484443. The next prime is 86484479. The reversal of 86484447 is 74448468.

It is not a de Polignac number, because 86484447 - 22 = 86484443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86484443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34929 + ... + 37322.

It is an arithmetic number, because the mean of its divisors is an integer number (6261840).

Almost surely, 286484447 is an apocalyptic number.

86484447 is a deficient number, since it is larger than the sum of its proper divisors (63799713).

86484447 is a wasteful number, since it uses less digits than its factorization.

86484447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72283 (or 72280 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The square root of 86484447 is about 9299.7014468208. The cubic root of 86484447 is about 442.2277632189.

The spelling of 86484447 in words is "eighty-six million, four hundred eighty-four thousand, four hundred forty-seven".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197 72251 216753 505757 650259 1372769 1517271 4118307 4551813 9609383 12354921 28828149 86484447