Search a number
-
+
84220323 = 3113597109
BaseRepresentation
bin1010000010100…
…01100110100011
312212110211120020
411001101212203
5133030022243
612205044523
72041601205
oct501214643
9185424506
1084220323
11435a3a80
1224256743
13145aa315
14b284775
1575d9283
hex50519a3

84220323 has 16 divisors (see below), whose sum is σ = 122860800. Its totient is φ = 50893280.

The previous prime is 84220309. The next prime is 84220333. The reversal of 84220323 is 32302248.

It is a cyclic number.

It is not a de Polignac number, because 84220323 - 210 = 84219299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84220293 and 84220302.

It is not an unprimeable number, because it can be changed into a prime (84220333) 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 15 ways as a sum of consecutive naturals, for example, 8293 + ... + 15401.

It is an arithmetic number, because the mean of its divisors is an integer number (7678800).

Almost surely, 284220323 is an apocalyptic number.

84220323 is a deficient number, since it is larger than the sum of its proper divisors (38640477).

84220323 is a wasteful number, since it uses less digits than its factorization.

84220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7482.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 84220323 is about 9177.1631237545. The cubic root of 84220323 is about 438.3344800226.

The spelling of 84220323 in words is "eighty-four million, two hundred twenty thousand, three hundred twenty-three".

Divisors: 1 3 11 33 359 1077 3949 7109 11847 21327 78199 234597 2552131 7656393 28073441 84220323