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84267685 = 5372811621
BaseRepresentation
bin1010000010111…
…01001010100101
312212120020112101
411001131022211
5133033031220
612210052101
72042156245
oct501351245
9185506471
1084267685
1143626617
122427a031
13145c5a48
14b297b25
1575e830a
hex505d2a5

84267685 has 16 divisors (see below), whose sum is σ = 104288112. Its totient is φ = 65318400.

The previous prime is 84267671. The next prime is 84267697. The reversal of 84267685 is 58676248.

It can be written as a sum of positive squares in 8 ways, for example, as 12068676 + 72199009 = 3474^2 + 8497^2 .

It is not a de Polignac number, because 84267685 - 211 = 84265637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51175 + ... + 52795.

It is an arithmetic number, because the mean of its divisors is an integer number (6518007).

Almost surely, 284267685 is an apocalyptic number.

It is an amenable number.

84267685 is a deficient number, since it is larger than the sum of its proper divisors (20020427).

84267685 is a wasteful number, since it uses less digits than its factorization.

84267685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944.

The product of its digits is 645120, while the sum is 46.

The square root of 84267685 is about 9179.7431881290. The cubic root of 84267685 is about 438.4166316400.

The spelling of 84267685 in words is "eighty-four million, two hundred sixty-seven thousand, six hundred eighty-five".

Divisors: 1 5 37 185 281 1405 1621 8105 10397 51985 59977 299885 455501 2277505 16853537 84267685