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84113685 = 3251869193
BaseRepresentation
bin1010000001101…
…11100100010101
312212021102021200
411000313210111
5133013114220
612202503113
72040645255
oct500674425
9185242250
1084113685
1143530947
1224204a99
1314570916
14b257965
1575b7890
hex5037915

84113685 has 12 divisors (see below), whose sum is σ = 145797132. Its totient is φ = 44860608.

The previous prime is 84113683. The next prime is 84113707. The reversal of 84113685 is 58631148.

It can be written as a sum of positive squares in 2 ways, for example, as 13704804 + 70408881 = 3702^2 + 8391^2 .

It is not a de Polignac number, because 84113685 - 21 = 84113683 is a prime.

It is a super-2 number, since 2×841136852 = 14150224008558450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84113683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934552 + ... + 934641.

It is an arithmetic number, because the mean of its divisors is an integer number (12149761).

Almost surely, 284113685 is an apocalyptic number.

It is an amenable number.

84113685 is a deficient number, since it is larger than the sum of its proper divisors (61683447).

84113685 is a wasteful number, since it uses less digits than its factorization.

84113685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869204 (or 1869201 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 84113685 is about 9171.3513180992. The cubic root of 84113685 is about 438.1493985882.

The spelling of 84113685 in words is "eighty-four million, one hundred thirteen thousand, six hundred eighty-five".

Divisors: 1 3 5 9 15 45 1869193 5607579 9345965 16822737 28037895 84113685