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442230442 = 2241191711
BaseRepresentation
bin11010010110111…
…110011010101010
31010211010122010021
4122112332122222
51401202333232
6111514311054
713646616403
oct3226763252
91124118107
10442230442
1120769a305
1210412848a
1370809424
1442a389aa
1528c56397
hex1a5be6aa

442230442 has 8 divisors (see below), whose sum is σ = 663628032. Its totient is φ = 221021100.

The previous prime is 442230413. The next prime is 442230449. The reversal of 442230442 is 244032244.

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

It is not an unprimeable number, because it can be changed into a prime (442230449) 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 3 ways as a sum of consecutive naturals, for example, 41034 + ... + 50677.

It is an arithmetic number, because the mean of its divisors is an integer number (82953504).

Almost surely, 2442230442 is an apocalyptic number.

442230442 is a deficient number, since it is larger than the sum of its proper divisors (221397590).

442230442 is a wasteful number, since it uses less digits than its factorization.

442230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94124.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 442230442 is about 21029.2758315640. The cubic root of 442230442 is about 761.8735182725.

Adding to 442230442 its reverse (244032244), we get a palindrome (686262686).

The spelling of 442230442 in words is "four hundred forty-two million, two hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 2411 4822 91711 183422 221115221 442230442