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442344214 = 213139912161
BaseRepresentation
bin11010010111011…
…010001100010110
31010211100102012001
4122113122030112
51401220003324
6111520545514
713650602164
oct3227321426
91124312161
10442344214
11207767834
1210418229a
1370849150
1442a68234
1528c79e44
hex1a5da316

442344214 has 16 divisors (see below), whose sum is σ = 715125600. Its totient is φ = 203996160.

The previous prime is 442344193. The next prime is 442344223. The reversal of 442344214 is 412443244.

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, 30294 + ... + 42454.

It is an arithmetic number, because the mean of its divisors is an integer number (44695350).

Almost surely, 2442344214 is an apocalyptic number.

442344214 is a deficient number, since it is larger than the sum of its proper divisors (272781386).

442344214 is a wasteful number, since it uses less digits than its factorization.

442344214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13575.

The product of its digits is 12288, while the sum is 28.

The square root of 442344214 is about 21031.9807436199. The cubic root of 442344214 is about 761.9388480443.

Adding to 442344214 its reverse (412443244), we get a palindrome (854787458).

The spelling of 442344214 in words is "four hundred forty-two million, three hundred forty-four thousand, two hundred fourteen".

Divisors: 1 2 13 26 1399 2798 12161 18187 24322 36374 158093 316186 17013239 34026478 221172107 442344214