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422533230 = 23572387481
BaseRepresentation
bin11001001011110…
…101100001101110
31002110001220121220
4121023311201232
51331132030410
6105532204210
713320321210
oct3113654156
91073056556
10422533230
111a7566519
12b9609666
1369700a82
144018c5b0
1527165070
hex192f586e

422533230 has 64 divisors (see below), whose sum is σ = 1209351168. Its totient is φ = 92378880.

The previous prime is 422533211. The next prime is 422533231. The reversal of 422533230 is 32335224.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 422533230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422533231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38911 + ... + 48570.

It is an arithmetic number, because the mean of its divisors is an integer number (18896112).

Almost surely, 2422533230 is an apocalyptic number.

422533230 is an abundant number, since it is smaller than the sum of its proper divisors (786817938).

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

422533230 is a wasteful number, since it uses less digits than its factorization.

422533230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87521.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 422533230 is about 20555.6131020215. The cubic root of 422533230 is about 750.3898595332.

Adding to 422533230 its reverse (32335224), we get a palindrome (454868454).

The spelling of 422533230 in words is "four hundred twenty-two million, five hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 69 70 105 115 138 161 210 230 322 345 483 690 805 966 1610 2415 4830 87481 174962 262443 437405 524886 612367 874810 1224734 1312215 1837101 2012063 2624430 3061835 3674202 4024126 6036189 6123670 9185505 10060315 12072378 14084441 18371010 20120630 28168882 30180945 42253323 60361890 70422205 84506646 140844410 211266615 422533230