Search a number
-
+
84200011 = 712028573
BaseRepresentation
bin1010000010011…
…00101001001011
312212102210200221
411001030221023
5133023400021
612204410511
72041455040
oct501145113
9185383627
1084200011
114358a795
1224246a37
13145a0cbc
14b27b1c7
1575d3241
hex504ca4b

84200011 has 4 divisors (see below), whose sum is σ = 96228592. Its totient is φ = 72171432.

The previous prime is 84199991. The next prime is 84200023. The reversal of 84200011 is 11000248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84200011 - 27 = 84199883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84200911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6014280 + ... + 6014293.

It is an arithmetic number, because the mean of its divisors is an integer number (24057148).

Almost surely, 284200011 is an apocalyptic number.

84200011 is a deficient number, since it is larger than the sum of its proper divisors (12028581).

84200011 is a wasteful number, since it uses less digits than its factorization.

84200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12028580.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 84200011 is about 9176.0563969496. The cubic root of 84200011 is about 438.2992384660.

Adding to 84200011 its reverse (11000248), we get a palindrome (95200259).

The spelling of 84200011 in words is "eighty-four million, two hundred thousand, eleven".

Divisors: 1 7 12028573 84200011