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684730230 = 23522824341
BaseRepresentation
bin101000110100000…
…010011101110110
31202201102220021220
4220310002131312
52400242331410
6151540051210
722653053022
oct5064023566
91681386256
10684730230
1132156aa58
12171393b06
13abb24022
1466d21382
15401a8070
hex28d02776

684730230 has 16 divisors (see below), whose sum is σ = 1643352624. Its totient is φ = 182594720.

The previous prime is 684730229. The next prime is 684730243. The reversal of 684730230 is 32037486.

It is a junction number, because it is equal to n+sod(n) for n = 684730191 and 684730200.

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, 11412141 + ... + 11412200.

It is an arithmetic number, because the mean of its divisors is an integer number (102709539).

Almost surely, 2684730230 is an apocalyptic number.

684730230 is an abundant number, since it is smaller than the sum of its proper divisors (958622394).

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

684730230 is a wasteful number, since it uses less digits than its factorization.

684730230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22824351.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 684730230 is about 26167.3504581568. The cubic root of 684730230 is about 881.4002457978.

The spelling of 684730230 in words is "six hundred eighty-four million, seven hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 22824341 45648682 68473023 114121705 136946046 228243410 342365115 684730230