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49539841 = 133810757
BaseRepresentation
bin1011110011111…
…0101100000001
310110012212212221
42330332230001
5100140233331
64525451041
71141040011
oct274765401
9113185787
1049539841
1125a6701a
1214710a81
13a356b20
146817c41
154538711
hex2f3eb01

49539841 has 4 divisors (see below), whose sum is σ = 53350612. Its totient is φ = 45729072.

The previous prime is 49539839. The next prime is 49539851. The reversal of 49539841 is 14893594.

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 32729841 + 16810000 = 5721^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 49539841 - 21 = 49539839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49539811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905366 + ... + 1905391.

It is an arithmetic number, because the mean of its divisors is an integer number (13337653).

Almost surely, 249539841 is an apocalyptic number.

It is an amenable number.

49539841 is a deficient number, since it is larger than the sum of its proper divisors (3810771).

49539841 is a wasteful number, since it uses less digits than its factorization.

49539841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810770.

The product of its digits is 155520, while the sum is 43.

The square root of 49539841 is about 7038.4544468228. The cubic root of 49539841 is about 367.2695048387.

The spelling of 49539841 in words is "forty-nine million, five hundred thirty-nine thousand, eight hundred forty-one".

Divisors: 1 13 3810757 49539841