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48319866 = 23271931987
BaseRepresentation
bin1011100001010…
…0110101111010
310100220220101200
42320110311322
544332213431
64443355030
71124466150
oct270246572
9110826350
1048319866
1125303481
1214222a76
13a01a74a
1465bb3d0
154396ee6
hex2e14d7a

48319866 has 48 divisors (see below), whose sum is σ = 120329664. Its totient is φ = 13727232.

The previous prime is 48319837. The next prime is 48319867. The reversal of 48319866 is 66891384.

It is not an unprimeable number, because it can be changed into a prime (48319867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23325 + ... + 25311.

It is an arithmetic number, because the mean of its divisors is an integer number (2506868).

Almost surely, 248319866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48319866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60164832).

48319866 is an abundant number, since it is smaller than the sum of its proper divisors (72009798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48319866 is a wasteful number, since it uses less digits than its factorization.

48319866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2192 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 48319866 is about 6951.2492402445. The cubic root of 48319866 is about 364.2296029575.

The spelling of 48319866 in words is "forty-eight million, three hundred nineteen thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 193 386 579 1158 1351 1737 1987 2702 3474 3974 4053 5961 8106 11922 12159 13909 17883 24318 27818 35766 41727 83454 125181 250362 383491 766982 1150473 2300946 2684437 3451419 5368874 6902838 8053311 16106622 24159933 48319866