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442430314 = 21928341141
BaseRepresentation
bin11010010111101…
…111001101101010
31010211111210021221
4122113233031222
51401230232224
6111522452254
713651411204
oct3227571552
91124453257
10442430314
11207816497
1210420408a
13708793b1
1442a8b774
1528c956e4
hex1a5ef36a

442430314 has 16 divisors (see below), whose sum is σ = 701059680. Its totient is φ = 208826640.

The previous prime is 442430291. The next prime is 442430363. The reversal of 442430314 is 413034244.

It is a super-2 number, since 2×4424303142 = 391489165492277192, which contains 22 as substring.

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, 9817 + ... + 31324.

It is an arithmetic number, because the mean of its divisors is an integer number (43816230).

Almost surely, 2442430314 is an apocalyptic number.

442430314 is a deficient number, since it is larger than the sum of its proper divisors (258629366).

442430314 is a wasteful number, since it uses less digits than its factorization.

442430314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41445.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 442430314 is about 21034.0275268433. The cubic root of 442430314 is about 761.9882806482.

Adding to 442430314 its reverse (413034244), we get a palindrome (855464558).

The spelling of 442430314 in words is "four hundred forty-two million, four hundred thirty thousand, three hundred fourteen".

Divisors: 1 2 19 38 283 566 5377 10754 41141 82282 781679 1563358 11642903 23285806 221215157 442430314