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442304032 = 2531445871
BaseRepresentation
bin11010010111010…
…000011000100000
31010211021101001211
4122113100120200
51401212212112
6111520035504
713650344062
oct3227203040
91124241054
10442304032
1120773a625
12104162b94
1370833a81
1442a57732
1528c6d0a7
hex1a5d0620

442304032 has 24 divisors (see below), whose sum is σ = 898877952. Its totient is φ = 214017600.

The previous prime is 442304029. The next prime is 442304033. The reversal of 442304032 is 230403244.

Adding to 442304032 its reverse (230403244), we get a palindrome (672707276).

It is a junction number, because it is equal to n+sod(n) for n = 442303994 and 442304012.

It is not an unprimeable number, because it can be changed into a prime (442304033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221944 + ... + 223927.

It is an arithmetic number, because the mean of its divisors is an integer number (37453248).

Almost surely, 2442304032 is an apocalyptic number.

It is an amenable number.

442304032 is an abundant number, since it is smaller than the sum of its proper divisors (456573920).

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

442304032 is a wasteful number, since it uses less digits than its factorization.

442304032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445912 (or 445904 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 442304032 is about 21031.0254623972. The cubic root of 442304032 is about 761.9157761523.

The spelling of 442304032 in words is "four hundred forty-two million, three hundred four thousand, thirty-two".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 445871 891742 1783484 3566968 7133936 13822001 14267872 27644002 55288004 110576008 221152016 442304032