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1000420442 = 2771458603
BaseRepresentation
bin111011101000010…
…011010001011010
32120201110121211222
4323220103101122
54022101423232
6243134252042
733535301450
oct7350232132
92521417758
101000420442
1147379075a
1223b057022
1312c356678
1496c1a9d0
155cc65d12
hex3ba1345a

1000420442 has 8 divisors (see below), whose sum is σ = 1715006496. Its totient is φ = 428751612.

The previous prime is 1000420417. The next prime is 1000420469. The reversal of 1000420442 is 2440240001.

1000420442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1000420442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35729288 + ... + 35729315.

It is an arithmetic number, because the mean of its divisors is an integer number (214375812).

Almost surely, 21000420442 is an apocalyptic number.

1000420442 is a deficient number, since it is larger than the sum of its proper divisors (714586054).

1000420442 is an equidigital number, since it uses as much as digits as its factorization.

1000420442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71458612.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1000420442 is about 31629.4236748000. The cubic root of 1000420442 is about 1000.1401276966.

Adding to 1000420442 its reverse (2440240001), we get a palindrome (3440660443).

The spelling of 1000420442 in words is "one billion, four hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 7 14 71458603 142917206 500210221 1000420442