Search a number
-
+
47250569 is a prime number
BaseRepresentation
bin1011010000111…
…1110010001001
310021220120121002
42310033302021
544044004234
64404424345
71112423522
oct264176211
9107816532
1047250569
1124743063
12139a80b5
139a34b22
1463bd849
15423527e
hex2d0fc89

47250569 has 2 divisors, whose sum is σ = 47250570. Its totient is φ = 47250568.

The previous prime is 47250559. The next prime is 47250583. The reversal of 47250569 is 96505274.

It is a happy number.

47250569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47059600 + 190969 = 6860^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 47250569 - 224 = 30473353 is a prime.

It is a super-2 number, since 2×472505692 = 4465232541647522, which contains 22 as substring.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (47250509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23625284 + 23625285.

It is an arithmetic number, because the mean of its divisors is an integer number (23625285).

Almost surely, 247250569 is an apocalyptic number.

It is an amenable number.

47250569 is a deficient number, since it is larger than the sum of its proper divisors (1).

47250569 is an equidigital number, since it uses as much as digits as its factorization.

47250569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 47250569 is about 6873.9049309690. The cubic root of 47250569 is about 361.5227908066.

The spelling of 47250569 in words is "forty-seven million, two hundred fifty thousand, five hundred sixty-nine".