Search a number
-
+
443220198 = 23713073389
BaseRepresentation
bin11010011010110…
…000000011100110
31010212222220210220
4122122300003212
51401431021243
6111551425210
713661211111
oct3232600346
91125886726
10443220198
11208205993
12104525206
1370a94a95
1442c15578
1528d9e783
hex1a6b00e6

443220198 has 32 divisors (see below), whose sum is σ = 902119680. Its totient is φ = 145141920.

The previous prime is 443220181. The next prime is 443220223. The reversal of 443220198 is 891022344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129088 + ... + 132476.

It is an arithmetic number, because the mean of its divisors is an integer number (28191240).

Almost surely, 2443220198 is an apocalyptic number.

443220198 is an abundant number, since it is smaller than the sum of its proper divisors (458899482).

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

443220198 is a wasteful number, since it uses less digits than its factorization.

443220198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 443220198 is about 21052.7954913356. The cubic root of 443220198 is about 762.4414778341.

The spelling of 443220198 in words is "four hundred forty-three million, two hundred twenty thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 71 142 213 307 426 614 921 1842 3389 6778 10167 20334 21797 43594 65391 130782 240619 481238 721857 1040423 1443714 2080846 3121269 6242538 73870033 147740066 221610099 443220198