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442041142 = 2297621399
BaseRepresentation
bin11010010110010…
…000001100110110
31010210210000110011
4122112100030312
51401130304032
6111510250434
713645200454
oct3226201466
91123700404
10442041142
11207580064
12104056a1a
137077120a
14429c99d4
1528c1a247
hex1a590336

442041142 has 8 divisors (see below), whose sum is σ = 685926000. Its totient is φ = 213399144.

The previous prime is 442041133. The next prime is 442041199. The reversal of 442041142 is 241140244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3810642 + ... + 3810757.

It is an arithmetic number, because the mean of its divisors is an integer number (85740750).

Almost surely, 2442041142 is an apocalyptic number.

442041142 is a deficient number, since it is larger than the sum of its proper divisors (243884858).

442041142 is a wasteful number, since it uses less digits than its factorization.

442041142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621430.

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

The square root of 442041142 is about 21024.7744815491. The cubic root of 442041142 is about 761.7647942328.

Adding to 442041142 its reverse (241140244), we get a palindrome (683181386).

The spelling of 442041142 in words is "four hundred forty-two million, forty-one thousand, one hundred forty-two".

Divisors: 1 2 29 58 7621399 15242798 221020571 442041142