Search a number
-
+
49692791 is a prime number
BaseRepresentation
bin1011110110010…
…0000001110111
310110111122200202
42331210001313
5100210132131
64533031115
71142244641
oct275440167
9113448622
1049692791
1126060a25
121478549b
13a3ab625
146857891
154568bcb
hex2f64077

49692791 has 2 divisors, whose sum is σ = 49692792. Its totient is φ = 49692790.

The previous prime is 49692787. The next prime is 49692793. The reversal of 49692791 is 19729694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49692791 - 22 = 49692787 is a prime.

Together with 49692793, 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 (49692793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24846395 + 24846396.

It is an arithmetic number, because the mean of its divisors is an integer number (24846396).

Almost surely, 249692791 is an apocalyptic number.

49692791 is a deficient number, since it is larger than the sum of its proper divisors (1).

49692791 is an equidigital number, since it uses as much as digits as its factorization.

49692791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 47.

The square root of 49692791 is about 7049.3113848092. The cubic root of 49692791 is about 367.6470875272.

The spelling of 49692791 in words is "forty-nine million, six hundred ninety-two thousand, seven hundred ninety-one".