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49695817 is a prime number
BaseRepresentation
bin1011110110010…
…0110001001001
310110111210211211
42331210301021
5100210231232
64533053121
71142256523
oct275446111
9113453754
1049695817
1126063226
12147871a1
13a3acb12
146858a13
154569a47
hex2f64c49

49695817 has 2 divisors, whose sum is σ = 49695818. Its totient is φ = 49695816.

The previous prime is 49695809. The next prime is 49695823. The reversal of 49695817 is 71859694.

49695817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49154121 + 541696 = 7011^2 + 736^2 .

It is a cyclic number.

It is not a de Polignac number, because 49695817 - 23 = 49695809 is a prime.

It is not a weakly prime, because it can be changed into another prime (49695827) 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 as a sum of consecutive naturals, namely, 24847908 + 24847909.

It is an arithmetic number, because the mean of its divisors is an integer number (24847909).

Almost surely, 249695817 is an apocalyptic number.

It is an amenable number.

49695817 is a deficient number, since it is larger than the sum of its proper divisors (1).

49695817 is an equidigital number, since it uses as much as digits as its factorization.

49695817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 49.

The square root of 49695817 is about 7049.5260124352. The cubic root of 49695817 is about 367.6545498940.

The spelling of 49695817 in words is "forty-nine million, six hundred ninety-five thousand, eight hundred seventeen".