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49213867 is a prime number
BaseRepresentation
bin1011101110111…
…1000110101011
310102121022201211
42323233012223
5100044320432
64514453551
71135211443
oct273570653
9112538654
1049213867
112586411a
12145942b7
13a271641
146771123
1544c1d47
hex2eef1ab

49213867 has 2 divisors, whose sum is σ = 49213868. Its totient is φ = 49213866.

The previous prime is 49213849. The next prime is 49213877. The reversal of 49213867 is 76831294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49213867 - 223 = 40825259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49213837) 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 as a sum of consecutive naturals, namely, 24606933 + 24606934.

It is an arithmetic number, because the mean of its divisors is an integer number (24606934).

Almost surely, 249213867 is an apocalyptic number.

49213867 is a deficient number, since it is larger than the sum of its proper divisors (1).

49213867 is an equidigital number, since it uses as much as digits as its factorization.

49213867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 49213867 is about 7015.2595817974. The cubic root of 49213867 is about 366.4621824942.

The spelling of 49213867 in words is "forty-nine million, two hundred thirteen thousand, eight hundred sixty-seven".