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48188449 = 190125349
BaseRepresentation
bin1011011111010…
…0110000100001
310100200020010101
42313310300201
544314012244
64440502401
71123411051
oct267646041
9110606111
1048188449
1125223771
121417aa01
139ca299a
146585561
15436d0d4
hex2df4c21

48188449 has 4 divisors (see below), whose sum is σ = 48215700. Its totient is φ = 48161200.

The previous prime is 48188443. The next prime is 48188453. The reversal of 48188449 is 94488184.

48188449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10144225 + 38044224 = 3185^2 + 6168^2 .

It is a cyclic number.

It is not a de Polignac number, because 48188449 - 27 = 48188321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48188399 and 48188408.

It is not an unprimeable number, because it can be changed into a prime (48188443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10774 + ... + 14575.

It is an arithmetic number, because the mean of its divisors is an integer number (12053925).

Almost surely, 248188449 is an apocalyptic number.

It is an amenable number.

48188449 is a deficient number, since it is larger than the sum of its proper divisors (27251).

48188449 is a wasteful number, since it uses less digits than its factorization.

48188449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27250.

The product of its digits is 294912, while the sum is 46.

The square root of 48188449 is about 6941.7900429212. The cubic root of 48188449 is about 363.8991010642.

The spelling of 48188449 in words is "forty-eight million, one hundred eighty-eight thousand, four hundred forty-nine".

Divisors: 1 1901 25349 48188449