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84306541 = 117664231
BaseRepresentation
bin1010000011001…
…10101001101101
312212122012211111
411001212221231
5133040302131
612210552021
72042410444
oct501465155
9185565744
1084306541
1143652830
1224298611
131460a637
14b2a7d5b
157604ab1
hex5066a6d

84306541 has 4 divisors (see below), whose sum is σ = 91970784. Its totient is φ = 76642300.

The previous prime is 84306539. The next prime is 84306559. The reversal of 84306541 is 14560348.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84306541 - 21 = 84306539 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84306511) 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 3 ways as a sum of consecutive naturals, for example, 3832105 + ... + 3832126.

It is an arithmetic number, because the mean of its divisors is an integer number (22992696).

Almost surely, 284306541 is an apocalyptic number.

It is an amenable number.

84306541 is a deficient number, since it is larger than the sum of its proper divisors (7664243).

84306541 is a wasteful number, since it uses less digits than its factorization.

84306541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664242.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 84306541 is about 9181.8593432921. The cubic root of 84306541 is about 438.4840062174.

Adding to 84306541 its reverse (14560348), we get a palindrome (98866889).

The spelling of 84306541 in words is "eighty-four million, three hundred six thousand, five hundred forty-one".

Divisors: 1 11 7664231 84306541