Search a number
-
+
49450949 is a prime number
BaseRepresentation
bin1011110010100…
…0111111000101
310110001100221122
42330220333011
5100124412244
64523523325
71140216602
oct274507705
9113040848
1049450949
1125a06259
1214689545
13a325522
1467d36a9
15451c1ee
hex2f28fc5

49450949 has 2 divisors, whose sum is σ = 49450950. Its totient is φ = 49450948.

The previous prime is 49450937. The next prime is 49450967. The reversal of 49450949 is 94905494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47541025 + 1909924 = 6895^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 49450949 - 28 = 49450693 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49456949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24725474 + 24725475.

It is an arithmetic number, because the mean of its divisors is an integer number (24725475).

Almost surely, 249450949 is an apocalyptic number.

It is an amenable number.

49450949 is a deficient number, since it is larger than the sum of its proper divisors (1).

49450949 is an equidigital number, since it uses as much as digits as its factorization.

49450949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 49450949 is about 7032.1368729569. The cubic root of 49450949 is about 367.0497028463.

The spelling of 49450949 in words is "forty-nine million, four hundred fifty thousand, nine hundred forty-nine".