Search a number
-
+
84214079 = 791066001
BaseRepresentation
bin1010000010100…
…00000100111111
312212110111222222
411001100010333
5133024322304
612204555555
72041544045
oct501200477
9185414888
1084214079
114359a314
1224252bbb
13145a7521
14b282395
1575d74be
hex505013f

84214079 has 4 divisors (see below), whose sum is σ = 85280160. Its totient is φ = 83148000.

The previous prime is 84214069. The next prime is 84214093. The reversal of 84214079 is 97041248.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-84214079 is a prime.

It is a super-2 number, since 2×842140792 = 14184022203636482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84214019) 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, 532922 + ... + 533079.

It is an arithmetic number, because the mean of its divisors is an integer number (21320040).

Almost surely, 284214079 is an apocalyptic number.

84214079 is a deficient number, since it is larger than the sum of its proper divisors (1066081).

84214079 is a wasteful number, since it uses less digits than its factorization.

84214079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066080.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 84214079 is about 9176.8229251740. The cubic root of 84214079 is about 438.3236472131.

The spelling of 84214079 in words is "eighty-four million, two hundred fourteen thousand, seventy-nine".

Divisors: 1 79 1066001 84214079