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49805311 is a prime number
BaseRepresentation
bin1011110111111…
…1011111111111
310110201101001011
42331333133333
5100222232221
64535300051
71143223663
oct275773777
9113641034
1049805311
1126128516
121481a627
13a41a8ca
1468868a3
15458c1e1
hex2f7f7ff

49805311 has 2 divisors, whose sum is σ = 49805312. Its totient is φ = 49805310.

The previous prime is 49805299. The next prime is 49805317. The reversal of 49805311 is 11350894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49805311 - 25 = 49805279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49805317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24902655 + 24902656.

It is an arithmetic number, because the mean of its divisors is an integer number (24902656).

Almost surely, 249805311 is an apocalyptic number.

49805311 is a deficient number, since it is larger than the sum of its proper divisors (1).

49805311 is an equidigital number, since it uses as much as digits as its factorization.

49805311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 49805311 is about 7057.2877934799. The cubic root of 49805311 is about 367.9243676288.

The spelling of 49805311 in words is "forty-nine million, eight hundred five thousand, three hundred eleven".