Search a number
-
+
49707121 is a prime number
BaseRepresentation
bin1011110110011…
…1100001110001
310110112101100111
42331213201301
5100211111441
64533221321
71142334502
oct275474161
9113471314
1049707121
1126070772
1214791841
13a3b4cc9
14685cba9
15456d081
hex2f67871

49707121 has 2 divisors, whose sum is σ = 49707122. Its totient is φ = 49707120.

The previous prime is 49707103. The next prime is 49707127. The reversal of 49707121 is 12170794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 22667121 = 5200^2 + 4761^2 .

It is a cyclic number.

It is not a de Polignac number, because 49707121 - 25 = 49707089 is a prime.

It is not a weakly prime, because it can be changed into another prime (49707127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24853560 + 24853561.

It is an arithmetic number, because the mean of its divisors is an integer number (24853561).

Almost surely, 249707121 is an apocalyptic number.

It is an amenable number.

49707121 is a deficient number, since it is larger than the sum of its proper divisors (1).

49707121 is an equidigital number, since it uses as much as digits as its factorization.

49707121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 49707121 is about 7050.3277228793. The cubic root of 49707121 is about 367.6824238159.

The spelling of 49707121 in words is "forty-nine million, seven hundred seven thousand, one hundred twenty-one".