Search a number
-
+
197112230 = 2572815889
BaseRepresentation
bin10111011111110…
…11000110100110
3111201220100010222
423233323012212
5400430042410
631320444342
74612266140
oct1357730646
9451810128
10197112230
11a12a0377
12560196b2
1331ab5a73
141c26dc90
1512488955
hexbbfb1a6

197112230 has 16 divisors (see below), whose sum is σ = 405488160. Its totient is φ = 67581312.

The previous prime is 197112199. The next prime is 197112241. The reversal of 197112230 is 32211791.

197112230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 197112230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407875 + ... + 1408014.

It is an arithmetic number, because the mean of its divisors is an integer number (25343010).

Almost surely, 2197112230 is an apocalyptic number.

197112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197112230 is an abundant number, since it is smaller than the sum of its proper divisors (208375930).

197112230 is a wasteful number, since it uses less digits than its factorization.

197112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815903.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 197112230 is about 14039.6663065758. Note that the first 3 decimals coincide. The cubic root of 197112230 is about 581.9752610104.

The spelling of 197112230 in words is "one hundred ninety-seven million, one hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2815889 5631778 14079445 19711223 28158890 39422446 98556115 197112230