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4390286842 = 243193126437
BaseRepresentation
bin1000001011010111…
…00111010111111010
3102022222002200100101
410011223213113322
532442403134332
62003351030014
7213536552044
oct40553472772
912288080311
104390286842
111953225537
12a2636b30a
1354c741b86
142d910aa94
151aa66aae7
hex105ae75fa

4390286842 has 16 divisors (see below), whose sum is σ = 6742324512. Its totient is φ = 2142902160.

The previous prime is 4390286807. The next prime is 4390286903. The reversal of 4390286842 is 2486820934.

It is a junction number, because it is equal to n+sod(n) for n = 4390286792 and 4390286801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152848 + ... + 179284.

It is an arithmetic number, because the mean of its divisors is an integer number (421395282).

Almost surely, 24390286842 is an apocalyptic number.

4390286842 is a deficient number, since it is larger than the sum of its proper divisors (2352037670).

4390286842 is a wasteful number, since it uses less digits than its factorization.

4390286842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28413.

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 4390286842 is about 66259.2396726675. The cubic root of 4390286842 is about 1637.4358654212.

The spelling of 4390286842 in words is "four billion, three hundred ninety million, two hundred eighty-six thousand, eight hundred forty-two".

Divisors: 1 2 43 86 1931 3862 26437 52874 83033 166066 1136791 2273582 51049847 102099694 2195143421 4390286842