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422474312 = 23134432
BaseRepresentation
bin11001001011100…
…111001001001000
31002102221220210202
4121023213021020
51331123134222
6105531031332
713316654351
oct3113471110
91072856722
10422474312
111a7526227
12b959b548
13696b0000
1440174d28
1527152892
hex192e7248

422474312 has 60 divisors (see below), whose sum is σ = 878569695. Its totient is φ = 190453536.

The previous prime is 422474257. The next prime is 422474317. The reversal of 422474312 is 213474224.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 7396 + 422466916 = 86^2 + 20554^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=14534.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422474317) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 9824963 + ... + 9825005.

Almost surely, 2422474312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422474312

422474312 is an abundant number, since it is smaller than the sum of its proper divisors (456095383).

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

422474312 is an frugal number, since it uses more digits than its factorization.

422474312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 58 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 422474312 is about 20554.1799155306. The cubic root of 422474312 is about 750.3549798111.

The spelling of 422474312 in words is "four hundred twenty-two million, four hundred seventy-four thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 43 52 86 104 169 172 338 344 559 676 1118 1352 1849 2197 2236 3698 4394 4472 7267 7396 8788 14534 14792 17576 24037 28561 29068 48074 57122 58136 94471 96148 114244 188942 192296 228488 312481 377884 624962 755768 1228123 1249924 2456246 2499848 4062253 4912492 8124506 9824984 16249012 32498024 52809289 105618578 211237156 422474312