Search a number
-
+
49933421 is a prime number
BaseRepresentation
bin1011111001111…
…0110001101101
310110221212202222
42332132301231
5100240332141
64542125125
71144266326
oct276366155
9113855688
1049933421
112620579a
12148807a5
13a464005
1468bb44d
1545b514b
hex2f9ec6d

49933421 has 2 divisors, whose sum is σ = 49933422. Its totient is φ = 49933420.

The previous prime is 49933357. The next prime is 49933423. The reversal of 49933421 is 12433994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38576521 + 11356900 = 6211^2 + 3370^2 .

It is a cyclic number.

It is not a de Polignac number, because 49933421 - 26 = 49933357 is a prime.

Together with 49933423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49933423) 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, 24966710 + 24966711.

It is an arithmetic number, because the mean of its divisors is an integer number (24966711).

Almost surely, 249933421 is an apocalyptic number.

It is an amenable number.

49933421 is a deficient number, since it is larger than the sum of its proper divisors (1).

49933421 is an equidigital number, since it uses as much as digits as its factorization.

49933421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 49933421 is about 7066.3583973642. The cubic root of 49933421 is about 368.2395578085.

The spelling of 49933421 in words is "forty-nine million, nine hundred thirty-three thousand, four hundred twenty-one".