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49500457 = 373132709
BaseRepresentation
bin1011110011010…
…1000100101001
310110010212212021
42330311010221
5100133003312
64524544441
71140514126
oct274650451
9113125767
1049500457
1125a3a476
12146b2121
13a341c16
14680774d
15452bc07
hex2f35129

49500457 has 4 divisors (see below), whose sum is σ = 49633540. Its totient is φ = 49367376.

The previous prime is 49500449. The next prime is 49500467. The reversal of 49500457 is 75400594.

49500457 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 32764176 + 16736281 = 5724^2 + 4091^2 .

It is a cyclic number.

It is not a de Polignac number, because 49500457 - 23 = 49500449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49500467) 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, 65982 + ... + 66727.

It is an arithmetic number, because the mean of its divisors is an integer number (12408385).

Almost surely, 249500457 is an apocalyptic number.

It is an amenable number.

49500457 is a deficient number, since it is larger than the sum of its proper divisors (133083).

49500457 is a wasteful number, since it uses less digits than its factorization.

49500457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133082.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 49500457 is about 7035.6561172360. The cubic root of 49500457 is about 367.1721530462.

The spelling of 49500457 in words is "forty-nine million, five hundred thousand, four hundred fifty-seven".

Divisors: 1 373 132709 49500457