Search a number
-
+
2203984 = 24139991
BaseRepresentation
bin1000011010000101010000
311010222022001
420122011100
51031011414
6115123344
724506416
oct10320520
94128261
102203984
111275982
128a3554
135c2243
144152b6
152d8074
hex21a150

2203984 has 20 divisors (see below), whose sum is σ = 4305280. Its totient is φ = 1092960.

The previous prime is 2203973. The next prime is 2203997. The reversal of 2203984 is 4893022.

2203984 = T104 + T105 + ... + T242.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1729 + ... + 2719.

It is an arithmetic number, because the mean of its divisors is an integer number (215264).

22203984 is an apocalyptic number.

It is an amenable number.

2203984 is a deficient number, since it is larger than the sum of its proper divisors (2101296).

2203984 is a wasteful number, since it uses less digits than its factorization.

2203984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2203984 is about 1484.5820960796. The cubic root of 2203984 is about 130.1376057714.

The spelling of 2203984 in words is "two million, two hundred three thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 139 278 556 991 1112 1982 2224 3964 7928 15856 137749 275498 550996 1101992 2203984