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49489065 = 3251099757
BaseRepresentation
bin1011110011001…
…0010010101001
310110010022020100
42330302102221
5100132122230
64524420013
71140435663
oct274622251
9113108210
1049489065
1125a3195a
12146a7609
13a339992
146803533
154528660
hex2f324a9

49489065 has 12 divisors (see below), whose sum is σ = 85781124. Its totient is φ = 26394144.

The previous prime is 49489043. The next prime is 49489067. The reversal of 49489065 is 56098494.

It is a happy number.

49489065 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 5253264 + 44235801 = 2292^2 + 6651^2 .

It is not a de Polignac number, because 49489065 - 27 = 49488937 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: 1099757 = 49489065 / (4 + 9 + 4 + 8 + 9 + 0 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 49489065.

It is not an unprimeable number, because it can be changed into a prime (49489067) 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, 549834 + ... + 549923.

It is an arithmetic number, because the mean of its divisors is an integer number (7148427).

Almost surely, 249489065 is an apocalyptic number.

49489065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49489065 is a deficient number, since it is larger than the sum of its proper divisors (36292059).

49489065 is a wasteful number, since it uses less digits than its factorization.

49489065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099768 (or 1099765 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 49489065 is about 7034.8464802013. The cubic root of 49489065 is about 367.1439839724.

The spelling of 49489065 in words is "forty-nine million, four hundred eighty-nine thousand, sixty-five".

Divisors: 1 3 5 9 15 45 1099757 3299271 5498785 9897813 16496355 49489065