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83089473 = 3179359431
BaseRepresentation
bin1001111001111…
…01100001000001
312210100101022220
410330331201001
5132232330343
612124521253
72026151235
oct474754101
9183311286
1083089473
11429a1395
12239b0229
13142a268c
14b06c5c5
157464183
hex4f3d841

83089473 has 16 divisors (see below), whose sum is σ = 111974400. Its totient is φ = 54802640.

The previous prime is 83089463. The next prime is 83089477. The reversal of 83089473 is 37498038.

It is not a de Polignac number, because 83089473 - 210 = 83088449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83089477) 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 15 ways as a sum of consecutive naturals, for example, 192568 + ... + 192998.

It is an arithmetic number, because the mean of its divisors is an integer number (6998400).

Almost surely, 283089473 is an apocalyptic number.

It is an amenable number.

83089473 is a deficient number, since it is larger than the sum of its proper divisors (28884927).

83089473 is a wasteful number, since it uses less digits than its factorization.

83089473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 83089473 is about 9115.3427253176. The cubic root of 83089473 is about 436.3637528448.

The spelling of 83089473 in words is "eighty-three million, eighty-nine thousand, four hundred seventy-three".

Divisors: 1 3 179 359 431 537 1077 1293 64261 77149 154729 192783 231447 464187 27696491 83089473