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84971059 = 1989109461
BaseRepresentation
bin1010001000010…
…00111000110011
312220212222101021
411010020320303
5133223033214
612233120311
72051146015
oct504107063
9186788337
1084971059
1143a67018
1224559097
13147b0c44
14b3dc1b5
1576d6924
hex5108e33

84971059 has 16 divisors (see below), whose sum is σ = 91476000. Its totient is φ = 78693120.

The previous prime is 84971027. The next prime is 84971077. The reversal of 84971059 is 95017948.

It is a cyclic number.

It is not a de Polignac number, because 84971059 - 25 = 84971027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84971009) 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, 184089 + ... + 184549.

It is an arithmetic number, because the mean of its divisors is an integer number (5717250).

Almost surely, 284971059 is an apocalyptic number.

84971059 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

84971059 is a deficient number, since it is larger than the sum of its proper divisors (6504941).

84971059 is a wasteful number, since it uses less digits than its factorization.

84971059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 84971059 is about 9217.9747775745. The cubic root of 84971059 is about 439.6330601208.

The spelling of 84971059 in words is "eighty-four million, nine hundred seventy-one thousand, fifty-nine".

Divisors: 1 19 89 109 461 1691 2071 8759 9701 41029 50249 184319 779551 954731 4472161 84971059