Search a number
-
+
47935213 is a prime number
BaseRepresentation
bin1011011011011…
…0111011101101
310100012100202021
42312312323231
544232411323
64431230141
71121304544
oct266667355
9110170667
1047935213
1125070487
1214078351
139c14641
14651b15b
15431d05d
hex2db6eed

47935213 has 2 divisors, whose sum is σ = 47935214. Its totient is φ = 47935212.

The previous prime is 47935211. The next prime is 47935219. The reversal of 47935213 is 31253974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33327529 + 14607684 = 5773^2 + 3822^2 .

It is a cyclic number.

It is not a de Polignac number, because 47935213 - 21 = 47935211 is a prime.

Together with 47935211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47935211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23967606 + 23967607.

It is an arithmetic number, because the mean of its divisors is an integer number (23967607).

Almost surely, 247935213 is an apocalyptic number.

It is an amenable number.

47935213 is a deficient number, since it is larger than the sum of its proper divisors (1).

47935213 is an equidigital number, since it uses as much as digits as its factorization.

47935213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 47935213 is about 6923.5260525255. The cubic root of 47935213 is about 363.2605369031.

The spelling of 47935213 in words is "forty-seven million, nine hundred thirty-five thousand, two hundred thirteen".