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442443002 = 21733973221
BaseRepresentation
bin11010010111110…
…010010011111010
31010211112102200212
4122113302103322
51401231134002
6111523031122
713651463201
oct3227622372
91124472625
10442443002
11207824a81
1210420b4a2
13708820c1
1442a92238
1528c99352
hex1a5f24fa

442443002 has 16 divisors (see below), whose sum is σ = 669389832. Its totient is φ = 219320640.

The previous prime is 442442951. The next prime is 442443011. The reversal of 442443002 is 200344244.

It can be written as a sum of positive squares in 4 ways, for example, as 439782841 + 2660161 = 20971^2 + 1631^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 135752 + ... + 138972.

Almost surely, 2442443002 is an apocalyptic number.

442443002 is a deficient number, since it is larger than the sum of its proper divisors (226946830).

442443002 is a wasteful number, since it uses less digits than its factorization.

442443002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 442443002 is about 21034.3291312083. The cubic root of 442443002 is about 761.9955646690.

Adding to 442443002 its reverse (200344244), we get a palindrome (642787246).

The spelling of 442443002 in words is "four hundred forty-two million, four hundred forty-three thousand, two".

Divisors: 1 2 173 346 397 794 3221 6442 68681 137362 557233 1114466 1278737 2557474 221221501 442443002