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442010223 = 3389419439
BaseRepresentation
bin11010010110001…
…000101001101111
31010210201110001000
4122112020221233
51401123311343
6111505451343
713645011354
oct3226105157
91123643030
10442010223
11207559906
12104040b53
1370760115
14429bc62b
1528c10ed3
hex1a588a6f

442010223 has 32 divisors (see below), whose sum is σ = 665280000. Its totient is φ = 290005056.

The previous prime is 442010221. The next prime is 442010227. The reversal of 442010223 is 322010244.

442010223 is a `hidden beast` number, since 442 + 0 + 1 + 0 + 223 = 666.

It is not a de Polignac number, because 442010223 - 21 = 442010221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442010196 and 442010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442010221) 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, 1006638 + ... + 1007076.

It is an arithmetic number, because the mean of its divisors is an integer number (20790000).

Almost surely, 2442010223 is an apocalyptic number.

442010223 is a deficient number, since it is larger than the sum of its proper divisors (223269777).

442010223 is a wasteful number, since it uses less digits than its factorization.

442010223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 442010223 is about 21024.0391694841. The cubic root of 442010223 is about 761.7470330241.

Adding to 442010223 its reverse (322010244), we get a palindrome (764020467).

The spelling of 442010223 in words is "four hundred forty-two million, ten thousand, two hundred twenty-three".

Divisors: 1 3 9 27 89 267 419 439 801 1257 1317 2403 3771 3951 11313 11853 37291 39071 111873 117213 183941 335619 351639 551823 1006857 1054917 1655469 4966407 16370749 49112247 147336741 442010223