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230669186 = 21156918427
BaseRepresentation
bin11011011111110…
…11101110000010
3121002001012122012
431233323232002
5433022403221
634520012522
75500440626
oct1557735602
9532035565
10230669186
111092301a0
1265301142
1338a34a57
14228c7186
15153b665b
hexdbfbb82

230669186 has 16 divisors (see below), whose sum is σ = 378142560. Its totient is φ = 104659680.

The previous prime is 230669167. The next prime is 230669191. The reversal of 230669186 is 681966032.

230669186 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3305 + ... + 21731.

It is an arithmetic number, because the mean of its divisors is an integer number (23633910).

Almost surely, 2230669186 is an apocalyptic number.

230669186 is a deficient number, since it is larger than the sum of its proper divisors (147473374).

230669186 is a wasteful number, since it uses less digits than its factorization.

230669186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19009.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 230669186 is about 15187.7972728108. The cubic root of 230669186 is about 613.2862027295.

The spelling of 230669186 in words is "two hundred thirty million, six hundred sixty-nine thousand, one hundred eighty-six".

Divisors: 1 2 11 22 569 1138 6259 12518 18427 36854 202697 405394 10484963 20969926 115334593 230669186