Search a number
-
+
84065001 = 328021667
BaseRepresentation
bin1010000001010…
…11101011101001
312212011221111120
411000223223221
5133010040001
612201445453
72040353316
oct500535351
9185157446
1084065001
11434a8309
12241a0889
1314554707
14b243d0d
1575a8236
hex502bae9

84065001 has 4 divisors (see below), whose sum is σ = 112086672. Its totient is φ = 56043332.

The previous prime is 84064993. The next prime is 84065041. The reversal of 84065001 is 10056048.

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 84065001 - 23 = 84064993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84065041) 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, 14010831 + ... + 14010836.

It is an arithmetic number, because the mean of its divisors is an integer number (28021668).

Almost surely, 284065001 is an apocalyptic number.

It is an amenable number.

84065001 is a deficient number, since it is larger than the sum of its proper divisors (28021671).

84065001 is a wasteful number, since it uses less digits than its factorization.

84065001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28021670.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 84065001 is about 9168.6967994367. The cubic root of 84065001 is about 438.0648503882.

The spelling of 84065001 in words is "eighty-four million, sixty-five thousand, one".

Divisors: 1 3 28021667 84065001