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4420020042 = 23381852223
BaseRepresentation
bin1000001110111010…
…00010011101001010
3102102001001021122000
410013131002131022
533023011120132
62010332211430
7214350356544
oct40735023512
912361037560
104420020042
111968a93529
12a34309b76
13555952599
142dd04a694
151ad09087c
hex10774274a

4420020042 has 16 divisors (see below), whose sum is σ = 9822266880. Its totient is φ = 1473339996.

The previous prime is 4420020029. The next prime is 4420020071. The reversal of 4420020042 is 2400200244.

4420020042 is a `hidden beast` number, since 4 + 420 + 0 + 200 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4420019997 and 4420020024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40926058 + ... + 40926165.

It is an arithmetic number, because the mean of its divisors is an integer number (613891680).

Almost surely, 24420020042 is an apocalyptic number.

4420020042 is an abundant number, since it is smaller than the sum of its proper divisors (5402246838).

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

4420020042 is a wasteful number, since it uses less digits than its factorization.

4420020042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81852234 (or 81852228 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4420020042 is about 66483.2312842870. The cubic root of 4420020042 is about 1641.1240610864.

Adding to 4420020042 its reverse (2400200244), we get a palindrome (6820220286).

The spelling of 4420020042 in words is "four billion, four hundred twenty million, twenty thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 81852223 163704446 245556669 491113338 736670007 1473340014 2210010021 4420020042