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84985497 = 334176771
BaseRepresentation
bin1010001000011…
…00011010011001
312220220201012000
411010030122121
5133224013442
612233311213
72051236062
oct504143231
9186821160
1084985497
1143a76953
1224565509
13147b769c
14b403569
1576dad4c
hex510c699

84985497 has 16 divisors (see below), whose sum is σ = 128976960. Its totient is φ = 55274400.

The previous prime is 84985493. The next prime is 84985519. The reversal of 84985497 is 79458948.

84985497 is a `hidden beast` number, since 8 + 4 + 98 + 549 + 7 = 666.

It is not a de Polignac number, because 84985497 - 22 = 84985493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84985493) 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 15 ways as a sum of consecutive naturals, for example, 37279 + ... + 39492.

It is an arithmetic number, because the mean of its divisors is an integer number (8061060).

Almost surely, 284985497 is an apocalyptic number.

It is an amenable number.

84985497 is a deficient number, since it is larger than the sum of its proper divisors (43991463).

84985497 is a wasteful number, since it uses less digits than its factorization.

84985497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76821 (or 76815 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 84985497 is about 9218.7578881322. The cubic root of 84985497 is about 439.6579590402.

The spelling of 84985497 in words is "eighty-four million, nine hundred eighty-five thousand, four hundred ninety-seven".

Divisors: 1 3 9 27 41 123 369 1107 76771 230313 690939 2072817 3147611 9442833 28328499 84985497