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50430949 is a prime number
BaseRepresentation
bin1100000001100…
…0001111100101
310111220011020221
43000120033211
5100402242244
65000524341
71151441002
oct300301745
9114804227
1050430949
1126515578
1214a806b1
13a5a95ca
1469aa8a9
154662784
hex30183e5

50430949 has 2 divisors, whose sum is σ = 50430950. Its totient is φ = 50430948.

The previous prime is 50430929. The next prime is 50430983. The reversal of 50430949 is 94903405.

It is an a-pointer prime, because the next prime (50430983) can be obtained adding 50430949 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25250625 + 25180324 = 5025^2 + 5018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50430949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50430929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25215474 + 25215475.

It is an arithmetic number, because the mean of its divisors is an integer number (25215475).

Almost surely, 250430949 is an apocalyptic number.

It is an amenable number.

50430949 is a deficient number, since it is larger than the sum of its proper divisors (1).

50430949 is an equidigital number, since it uses as much as digits as its factorization.

50430949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 50430949 is about 7101.4751284504. The cubic root of 50430949 is about 369.4585433019.

The spelling of 50430949 in words is "fifty million, four hundred thirty thousand, nine hundred forty-nine".