Search a number
-
+
84217196 = 22719158303
BaseRepresentation
bin1010000010100…
…00110101101100
312212110200021102
411001100311230
5133024422241
612205022232
72041556120
oct501206554
9185420242
1084217196
11435a1698
1224254978
13145a8a7b
14b283580
1575d839b
hex5050d6c

84217196 has 24 divisors (see below), whose sum is σ = 177300480. Its totient is φ = 34193232.

The previous prime is 84217193. The next prime is 84217207. The reversal of 84217196 is 69171248.

It is a super-2 number, since 2×842171962 = 14185072204204832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (84217193) 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 7 ways as a sum of consecutive naturals, for example, 78620 + ... + 79683.

It is an arithmetic number, because the mean of its divisors is an integer number (7387520).

Almost surely, 284217196 is an apocalyptic number.

It is an amenable number.

84217196 is an abundant number, since it is smaller than the sum of its proper divisors (93083284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84217196 is a wasteful number, since it uses less digits than its factorization.

84217196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158333 (or 158331 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 84217196 is about 9176.9927536203. The cubic root of 84217196 is about 438.3290550102.

The spelling of 84217196 in words is "eighty-four million, two hundred seventeen thousand, one hundred ninety-six".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 158303 316606 633212 1108121 2216242 3007757 4432484 6015514 12031028 21054299 42108598 84217196