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84041513 = 4114913757
BaseRepresentation
bin1010000001001…
…01111100101001
312212010202021122
411000211330221
5133003312023
612201145025
72040224663
oct500457451
9185122248
1084041513
11434916a6
122418b175
1314546b0a
14b239533
1575a12c8
hex5025f29

84041513 has 8 divisors (see below), whose sum is σ = 86675400. Its totient is φ = 81435520.

The previous prime is 84041509. The next prime is 84041521. The reversal of 84041513 is 31514048.

It can be written as a sum of positive squares in 4 ways, for example, as 12588304 + 71453209 = 3548^2 + 8453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84041513 - 22 = 84041509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84041213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770 + ... + 12987.

It is an arithmetic number, because the mean of its divisors is an integer number (10834425).

Almost surely, 284041513 is an apocalyptic number.

It is an amenable number.

84041513 is a deficient number, since it is larger than the sum of its proper divisors (2633887).

84041513 is a wasteful number, since it uses less digits than its factorization.

84041513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 84041513 is about 9167.4158299927. The cubic root of 84041513 is about 438.0240477334.

The spelling of 84041513 in words is "eighty-four million, forty-one thousand, five hundred thirteen".

Divisors: 1 41 149 6109 13757 564037 2049793 84041513