Search a number
-
+
180541441 is a prime number
BaseRepresentation
bin10101100001011…
…01100000000001
3110120201110022001
422300231200001
5332204311231
625525344001
74321401613
oct1260554001
9416643261
10180541441
1192a02503
1250568001
132b533472
1419d98db3
1510cb3b61
hexac2d801

180541441 has 2 divisors, whose sum is σ = 180541442. Its totient is φ = 180541440.

The previous prime is 180541433. The next prime is 180541453. The reversal of 180541441 is 144145081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179667216 + 874225 = 13404^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 180541441 - 23 = 180541433 is a prime.

It is not a weakly prime, because it can be changed into another prime (180541741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90270720 + 90270721.

It is an arithmetic number, because the mean of its divisors is an integer number (90270721).

Almost surely, 2180541441 is an apocalyptic number.

It is an amenable number.

180541441 is a deficient number, since it is larger than the sum of its proper divisors (1).

180541441 is an equidigital number, since it uses as much as digits as its factorization.

180541441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 180541441 is about 13436.5710283539. The cubic root of 180541441 is about 565.1871789568.

The spelling of 180541441 in words is "one hundred eighty million, five hundred forty-one thousand, four hundred forty-one".