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442421014 = 27793371187
BaseRepresentation
bin11010010111101…
…100111100010110
31010211111022112111
4122113230330112
51401224433024
6111522341234
713651342120
oct3227547426
91124438474
10442421014
1120780a502
121041ba81a
13708750a9
1442a88210
1528c92a94
hex1a5ecf16

442421014 has 32 divisors (see below), whose sum is σ = 770964480. Its totient is φ = 186496128.

The previous prime is 442421003. The next prime is 442421027. The reversal of 442421014 is 410124244.

It is a super-3 number, since 3×4424210143 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372129 + ... + 373315.

It is an arithmetic number, because the mean of its divisors is an integer number (24092640).

Almost surely, 2442421014 is an apocalyptic number.

442421014 is a deficient number, since it is larger than the sum of its proper divisors (328543466).

442421014 is a wasteful number, since it uses less digits than its factorization.

442421014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 442421014 is about 21033.8064553233. The cubic root of 442421014 is about 761.9829415470.

Adding to 442421014 its reverse (410124244), we get a palindrome (852545258).

The spelling of 442421014 in words is "four hundred forty-two million, four hundred twenty-one thousand, fourteen".

Divisors: 1 2 7 14 79 158 337 553 674 1106 1187 2359 2374 4718 8309 16618 26623 53246 93773 186361 187546 372722 400019 656411 800038 1312822 2800133 5600266 31601501 63203002 221210507 442421014