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38222284 = 2247919949
BaseRepresentation
bin1001000111001…
…1100111001100
32122220220010011
42101303213030
534241103114
63443123004
7642612142
oct221634714
978826104
1038222284
111a636a71
1210973464
137bc3649
14510d592
1535501c4
hex24739cc

38222284 has 12 divisors (see below), whose sum is σ = 67032000. Its totient is φ = 19070288.

The previous prime is 38222269. The next prime is 38222309. The reversal of 38222284 is 48222283.

38222284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8059 + ... + 11890.

It is an arithmetic number, because the mean of its divisors is an integer number (5586000).

Almost surely, 238222284 is an apocalyptic number.

It is an amenable number.

38222284 is a deficient number, since it is larger than the sum of its proper divisors (28809716).

38222284 is a wasteful number, since it uses less digits than its factorization.

38222284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20432 (or 20430 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 38222284 is about 6182.4173265803. The cubic root of 38222284 is about 336.8518046292.

Subtracting 38222284 from its reverse (48222283), we obtain a palindrome (9999999).

The spelling of 38222284 in words is "thirty-eight million, two hundred twenty-two thousand, two hundred eighty-four".

Divisors: 1 2 4 479 958 1916 19949 39898 79796 9555571 19111142 38222284