Search a number
-
+
84066801 = 3721343991
BaseRepresentation
bin1010000001011…
…00000111110001
312212012000222020
411000230013301
5133010114201
612201502053
72040361500
oct500540761
9185160866
1084066801
11434a96a5
12241a1929
1314555490
14b244837
1575a8a36
hex502c1f1

84066801 has 24 divisors (see below), whose sum is σ = 140422464. Its totient is φ = 44341920.

The previous prime is 84066793. The next prime is 84066803. The reversal of 84066801 is 10866048.

It is not a de Polignac number, because 84066801 - 23 = 84066793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84066803) 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 23 ways as a sum of consecutive naturals, for example, 20085 + ... + 23906.

It is an arithmetic number, because the mean of its divisors is an integer number (5850936).

Almost surely, 284066801 is an apocalyptic number.

It is an amenable number.

84066801 is a deficient number, since it is larger than the sum of its proper divisors (56355663).

84066801 is a wasteful number, since it uses less digits than its factorization.

84066801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44021 (or 44014 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 84066801 is about 9168.7949589900. The cubic root of 84066801 is about 438.0679769811.

The spelling of 84066801 in words is "eighty-four million, sixty-six thousand, eight hundred one".

Divisors: 1 3 7 13 21 39 49 91 147 273 637 1911 43991 131973 307937 571883 923811 1715649 2155559 4003181 6466677 12009543 28022267 84066801