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442010043 = 32471044941
BaseRepresentation
bin11010010110001…
…000100110111011
31010210201102210100
4122112020212323
51401123310133
6111505450443
713645011006
oct3226104673
91123642710
10442010043
11207559762
12104040a23
1370760007
14429bc53d
1528c10e13
hex1a5889bb

442010043 has 12 divisors (see below), whose sum is σ = 652043808. Its totient is φ = 288403440.

The previous prime is 442010017. The next prime is 442010057. The reversal of 442010043 is 340010244.

It is not a de Polignac number, because 442010043 - 212 = 442005947 is a prime.

It is a super-2 number, since 2×4420100432 = 390745756225723698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442009998 and 442010025.

It is not an unprimeable number, because it can be changed into a prime (442010143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522048 + ... + 522893.

It is an arithmetic number, because the mean of its divisors is an integer number (54336984).

Almost surely, 2442010043 is an apocalyptic number.

442010043 is a deficient number, since it is larger than the sum of its proper divisors (210033765).

442010043 is a wasteful number, since it uses less digits than its factorization.

442010043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044994 (or 1044991 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 442010043 is about 21024.0348886697. The cubic root of 442010043 is about 761.7469296219.

Adding to 442010043 its reverse (340010244), we get a palindrome (782020287).

The spelling of 442010043 in words is "four hundred forty-two million, ten thousand, forty-three".

Divisors: 1 3 9 47 141 423 1044941 3134823 9404469 49112227 147336681 442010043