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49995131 is a prime number
BaseRepresentation
bin1011111010110…
…1110101111011
310111002000102112
42332231311323
5100244321011
64543322535
71144644254
oct276556573
9114060375
1049995131
112624809a
12148b044b
13a486124
1468d5b2b
1545c858b
hex2fadd7b

49995131 has 2 divisors, whose sum is σ = 49995132. Its totient is φ = 49995130.

The previous prime is 49995119. The next prime is 49995149. The reversal of 49995131 is 13159994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49995131 - 218 = 49732987 is a prime.

It is a super-2 number, since 2×499951312 = 4999026247414322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49995191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24997565 + 24997566.

It is an arithmetic number, because the mean of its divisors is an integer number (24997566).

Almost surely, 249995131 is an apocalyptic number.

49995131 is a deficient number, since it is larger than the sum of its proper divisors (1).

49995131 is an equidigital number, since it uses as much as digits as its factorization.

49995131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 41.

The square root of 49995131 is about 7070.7235131916. The cubic root of 49995131 is about 368.3911911096.

The spelling of 49995131 in words is "forty-nine million, nine hundred ninety-five thousand, one hundred thirty-one".