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442103244 = 223114771261
BaseRepresentation
bin11010010110011…
…111010111001100
31010210220011122020
4122112133113030
51401134300434
6111511450140
713645546512
oct3226372714
91123804566
10442103244
11207612790
12104086950
137079356b
1442a044b2
1528c2d849
hex1a59f5cc

442103244 has 48 divisors (see below), whose sum is σ = 1149313536. Its totient is φ = 131118400.

The previous prime is 442103243. The next prime is 442103273. The reversal of 442103244 is 442301244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (442103243) by changing a digit.

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, 29427 + ... + 41834.

It is an arithmetic number, because the mean of its divisors is an integer number (23944032).

Almost surely, 2442103244 is an apocalyptic number.

442103244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442103244 is an abundant number, since it is smaller than the sum of its proper divisors (707210292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442103244 is a wasteful number, since it uses less digits than its factorization.

442103244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71326 (or 71324 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 442103244 is about 21026.2513064027. The cubic root of 442103244 is about 761.8004658008.

Adding to 442103244 its reverse (442301244), we get a palindrome (884404488).

The spelling of 442103244 in words is "four hundred forty-two million, one hundred three thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 47 66 94 132 141 188 282 517 564 1034 1551 2068 3102 6204 71261 142522 213783 285044 427566 783871 855132 1567742 2351613 3135484 3349267 4703226 6698534 9406452 10047801 13397068 20095602 36841937 40191204 73683874 110525811 147367748 221051622 442103244