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48778 = 2293
BaseRepresentation
bin1011111010001010
32110220121
423322022
53030103
61013454
7262132
oct137212
973817
1048778
1133714
122428a
1319282
1413ac2
15e6bd
hexbe8a

48778 has 8 divisors (see below), whose sum is σ = 75780. Its totient is φ = 23548.

The previous prime is 48767. The next prime is 48779. The reversal of 48778 is 87784.

It can be written as a sum of positive squares in 2 ways, for example, as 42849 + 5929 = 207^2 + 77^2 .

It is not an unprimeable number, because it can be changed into a prime (48779) by changing a digit.

48778 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668 + ... + 1696.

248778 is an apocalyptic number.

48778 is a deficient number, since it is larger than the sum of its proper divisors (27002).

48778 is an frugal number, since it uses more digits than its factorization.

48778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 31 counting only the distinct ones).

The product of its digits is 12544, while the sum is 34.

The square root of 48778 is about 220.8574200701. The cubic root of 48778 is about 36.5377104470.

It can be divided in two parts, 487 and 78, that added together give a palindrome (565).

The spelling of 48778 in words is "forty-eight thousand, seven hundred seventy-eight".

Divisors: 1 2 29 58 841 1682 24389 48778