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48890745 = 3251086461
BaseRepresentation
bin1011101010000…
…0001101111001
310101222220111100
42322200031321
5100004000440
64503522013
71132364421
oct272401571
9111886440
1048890745
1125663382
1214459309
13a18a547
1466c9481
15445b230
hex2ea0379

48890745 has 12 divisors (see below), whose sum is σ = 84744036. Its totient is φ = 26075040.

The previous prime is 48890741. The next prime is 48890783. The reversal of 48890745 is 54709884.

48890745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21233664 + 27657081 = 4608^2 + 5259^2 .

It is not a de Polignac number, because 48890745 - 22 = 48890741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1086461 = 48890745 / (4 + 8 + 8 + 9 + 0 + 7 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 48890745.

It is not an unprimeable number, because it can be changed into a prime (48890741) 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 11 ways as a sum of consecutive naturals, for example, 543186 + ... + 543275.

It is an arithmetic number, because the mean of its divisors is an integer number (7062003).

Almost surely, 248890745 is an apocalyptic number.

48890745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48890745 is a deficient number, since it is larger than the sum of its proper divisors (35853291).

48890745 is a wasteful number, since it uses less digits than its factorization.

48890745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086472 (or 1086469 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 48890745 is about 6992.1917164792. The cubic root of 48890745 is about 365.6583975629.

The spelling of 48890745 in words is "forty-eight million, eight hundred ninety thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 45 1086461 3259383 5432305 9778149 16296915 48890745