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216352230 = 2357211741
BaseRepresentation
bin11001110010101…
…00010111100110
3120002002211110120
430321110113212
5420341232410
633245102410
75234651343
oct1471242746
9502084416
10216352230
111011416a6
1260557a06
1335a91293
1420a3b7ca
1513ed9570
hexce545e6

216352230 has 16 divisors (see below), whose sum is σ = 519245424. Its totient is φ = 57693920.

The previous prime is 216352223. The next prime is 216352231. The reversal of 216352230 is 32253612.

It is a self number, because there is not a number n which added to its sum of digits gives 216352230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216352231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3605841 + ... + 3605900.

It is an arithmetic number, because the mean of its divisors is an integer number (32452839).

Almost surely, 2216352230 is an apocalyptic number.

216352230 is an abundant number, since it is smaller than the sum of its proper divisors (302893194).

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

216352230 is a wasteful number, since it uses less digits than its factorization.

216352230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211751.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 216352230 is about 14708.9166834271. The cubic root of 216352230 is about 600.3259617717.

The spelling of 216352230 in words is "two hundred sixteen million, three hundred fifty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 7211741 14423482 21635223 36058705 43270446 72117410 108176115 216352230