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49240549 = 411200989
BaseRepresentation
bin1011101111010…
…1100111100101
310102122200100001
42323311213211
5100101144144
64515221301
71135352311
oct273654745
9112580301
1049240549
1125882176
12145a7831
13a280827
14677ab41
1544c9bd4
hex2ef59e5

49240549 has 4 divisors (see below), whose sum is σ = 50441580. Its totient is φ = 48039520.

The previous prime is 49240487. The next prime is 49240591. The reversal of 49240549 is 94504294.

It is a happy number.

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 18792225 + 30448324 = 4335^2 + 5518^2 .

It is a cyclic number.

It is not a de Polignac number, because 49240549 - 27 = 49240421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49249549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600454 + ... + 600535.

It is an arithmetic number, because the mean of its divisors is an integer number (12610395).

Almost surely, 249240549 is an apocalyptic number.

It is an amenable number.

49240549 is a deficient number, since it is larger than the sum of its proper divisors (1201031).

49240549 is a wasteful number, since it uses less digits than its factorization.

49240549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201030.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 49240549 is about 7017.1610356326. The cubic root of 49240549 is about 366.5283980956.

It can be divided in two parts, 492 and 40549, that added together give a triangular number (41041 = T286).

The spelling of 49240549 in words is "forty-nine million, two hundred forty thousand, five hundred forty-nine".

Divisors: 1 41 1200989 49240549