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2203928 = 23275491
BaseRepresentation
bin1000011010000100011000
311010222012222
420122010120
51031011203
6115123212
724506306
oct10320430
94128188
102203928
111275931
128a3508
135c21cc
14415276
152d8038
hex21a118

2203928 has 8 divisors (see below), whose sum is σ = 4132380. Its totient is φ = 1101960.

The previous prime is 2203889. The next prime is 2203933. The reversal of 2203928 is 8293022.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2203897 and 2203906.

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 as a sum of consecutive naturals, namely, 137738 + ... + 137753.

22203928 is an apocalyptic number.

It is an amenable number.

2203928 is a deficient number, since it is larger than the sum of its proper divisors (1928452).

2203928 is a wasteful number, since it uses less digits than its factorization.

2203928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275497 (or 275493 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2203928 is about 1484.5632354332. The cubic root of 2203928 is about 130.1365035602.

The spelling of 2203928 in words is "two million, two hundred three thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 275491 550982 1101964 2203928