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48723890 = 2523349607
BaseRepresentation
bin1011100111011…
…1011110110010
310101200102121112
42321313132302
544433131030
64500153322
71131101105
oct271673662
9111612545
1048723890
1125559a86
1214398842
13a12c607
14668473c
154426a95
hex2e777b2

48723890 has 32 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 18558144.

The previous prime is 48723889. The next prime is 48723901. The reversal of 48723890 is 9832784.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79967 + ... + 80573.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 248723890 is an apocalyptic number.

48723890 is a deficient number, since it is larger than the sum of its proper divisors (43205710).

48723890 is a wasteful number, since it uses less digits than its factorization.

48723890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 48723890 is about 6980.2499955231. The cubic root of 48723890 is about 365.2419487969.

The spelling of 48723890 in words is "forty-eight million, seven hundred twenty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 349 607 698 1214 1745 3035 3490 6070 8027 13961 16054 27922 40135 69805 80270 139610 211843 423686 1059215 2118430 4872389 9744778 24361945 48723890