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216333230 = 2555738839
BaseRepresentation
bin11001110010011…
…11101110101110
3120002001212101212
430321033232232
5420340130410
633244434422
75234542061
oct1471175656
9502055355
10216333230
111011293a3
1260548a12
1335a85739
1420a348d8
1513ed3b05
hexce4fbae

216333230 has 16 divisors (see below), whose sum is σ = 390108960. Its totient is φ = 86375712.

The previous prime is 216333223. The next prime is 216333251. The reversal of 216333230 is 32333612.

216333230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 216333196 and 216333205.

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, 13850 + ... + 24989.

It is an arithmetic number, because the mean of its divisors is an integer number (24381810).

Almost surely, 2216333230 is an apocalyptic number.

216333230 is a deficient number, since it is larger than the sum of its proper divisors (173775730).

216333230 is a wasteful number, since it uses less digits than its factorization.

216333230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39403.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 216333230 is about 14708.2708025111. The cubic root of 216333230 is about 600.3083877641.

Adding to 216333230 its reverse (32333612), we get a palindrome (248666842).

The spelling of 216333230 in words is "two hundred sixteen million, three hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 557 1114 2785 5570 38839 77678 194195 388390 21633323 43266646 108166615 216333230