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323520230 = 251129372741
BaseRepresentation
bin10011010010001…
…000011011100110
3211112202112022202
4103102020123212
51130310121410
652034054502
711005606445
oct2322103346
9745675282
10323520230
111566895a0
129041a432
13520445b7
1430d76d5c
151d607ca5
hex134886e6

323520230 has 64 divisors (see below), whose sum is σ = 675190080. Its totient is φ = 110476800.

The previous prime is 323520209. The next prime is 323520257. The reversal of 323520230 is 32025323.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116660 + ... + 119400.

It is an arithmetic number, because the mean of its divisors is an integer number (10549845).

Almost surely, 2323520230 is an apocalyptic number.

323520230 is an abundant number, since it is smaller than the sum of its proper divisors (351669850).

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

323520230 is a wasteful number, since it uses less digits than its factorization.

323520230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 323520230 is about 17986.6681183592. The cubic root of 323520230 is about 686.4893659918.

Adding to 323520230 its reverse (32025323), we get a palindrome (355545553).

The spelling of 323520230 in words is "three hundred twenty-three million, five hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 29 37 55 58 74 110 145 185 290 319 370 407 638 814 1073 1595 2035 2146 2741 3190 4070 5365 5482 10730 11803 13705 23606 27410 30151 59015 60302 79489 101417 118030 150755 158978 202834 301510 397445 507085 794890 874379 1014170 1115587 1748758 2231174 2941093 4371895 5577935 5882186 8743790 11155870 14705465 29410930 32352023 64704046 161760115 323520230