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48447890 = 2523210643
BaseRepresentation
bin1011100011010…
…0000110010010
310101011102000022
42320310012102
544400313030
64450223442
71125541331
oct270640622
9111142008
1048447890
1125390687
1214284b82
13a063aba
146611d18
1543bede5
hex2e34192

48447890 has 16 divisors (see below), whose sum is σ = 90998208. Its totient is φ = 18536496.

The previous prime is 48447887. The next prime is 48447979. The reversal of 48447890 is 9874484.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105092 + ... + 105551.

It is an arithmetic number, because the mean of its divisors is an integer number (5687388).

Almost surely, 248447890 is an apocalyptic number.

48447890 is a deficient number, since it is larger than the sum of its proper divisors (42550318).

48447890 is a wasteful number, since it uses less digits than its factorization.

48447890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210673.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 48447890 is about 6960.4518531486. The cubic root of 48447890 is about 364.5509960180.

The spelling of 48447890 in words is "forty-eight million, four hundred forty-seven thousand, eight hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 210643 421286 1053215 2106430 4844789 9689578 24223945 48447890