Search a number
-
+
197228304 = 243371329173
BaseRepresentation
bin10111100000101…
…11011100010000
3111202010020101000
423300113130100
5400442301204
631323142000
74613261430
oct1360273420
9452106330
10197228304
11a136a5a9
1256074900
1331b26850
141c2a02c0
15124ad039
hexbc17710

197228304 has 320 divisors, whose sum is σ = 724953600. Its totient is φ = 49932288.

The previous prime is 197228299. The next prime is 197228329. The reversal of 197228304 is 403822791.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 63 ways as a sum of consecutive naturals, for example, 1139962 + ... + 1140134.

It is an arithmetic number, because the mean of its divisors is an integer number (2265480).

Almost surely, 2197228304 is an apocalyptic number.

197228304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197228304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362476800).

197228304 is an abundant number, since it is smaller than the sum of its proper divisors (527725296).

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

197228304 is a wasteful number, since it uses less digits than its factorization.

197228304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 197228304 is about 14043.7994858941. The cubic root of 197228304 is about 582.0894750310.

It can be divided in two parts, 1972 and 28304, that added together give a square (30276 = 1742).

The spelling of 197228304 in words is "one hundred ninety-seven million, two hundred twenty-eight thousand, three hundred four".