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442034532 = 223212278737
BaseRepresentation
bin11010010110001…
…110100101100100
31010210202200101100
4122112032211210
51401130101112
6111510200100
713645142262
oct3226164544
91123680340
10442034532
112075760a5
12104053030
137076b1c4
14429c7432
1528c182dc
hex1a58e964

442034532 has 18 divisors (see below), whose sum is σ = 1117365158. Its totient is φ = 147344832.

The previous prime is 442034513. The next prime is 442034533. The reversal of 442034532 is 235430244.

442034532 is a `hidden beast` number, since 4 + 4 + 203 + 453 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 303595776 + 138438756 = 17424^2 + 11766^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 442034496 and 442034505.

It is not an unprimeable number, because it can be changed into a prime (442034533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6139333 + ... + 6139404.

Almost surely, 2442034532 is an apocalyptic number.

It is an amenable number.

442034532 is an abundant number, since it is smaller than the sum of its proper divisors (675330626).

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

442034532 is a wasteful number, since it uses less digits than its factorization.

442034532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12278747 (or 12278742 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 442034532 is about 21024.6172854585. The cubic root of 442034532 is about 761.7609972330.

Adding to 442034532 its reverse (235430244), we get a palindrome (677464776).

The spelling of 442034532 in words is "four hundred forty-two million, thirty-four thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 12278737 24557474 36836211 49114948 73672422 110508633 147344844 221017266 442034532