Search a number
-
+
53471189 is a prime number
BaseRepresentation
bin1100101111111…
…0011111010101
310201121121200102
43023332133111
5102142034224
65150023445
71216332452
oct313763725
9121547612
1053471189
1128201772
1215aa7b85
13b102375
14715c829
154a634ae
hex32fe7d5

53471189 has 2 divisors, whose sum is σ = 53471190. Its totient is φ = 53471188.

The previous prime is 53471177. The next prime is 53471213. The reversal of 53471189 is 98117435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48762289 + 4708900 = 6983^2 + 2170^2 .

It is a cyclic number.

It is not a de Polignac number, because 53471189 - 212 = 53467093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53471129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26735594 + 26735595.

It is an arithmetic number, because the mean of its divisors is an integer number (26735595).

Almost surely, 253471189 is an apocalyptic number.

It is an amenable number.

53471189 is a deficient number, since it is larger than the sum of its proper divisors (1).

53471189 is an equidigital number, since it uses as much as digits as its factorization.

53471189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 53471189 is about 7312.3996745255. The cubic root of 53471189 is about 376.7384503942.

The spelling of 53471189 in words is "fifty-three million, four hundred seventy-one thousand, one hundred eighty-nine".