Search a number
-
+
728525041 is a prime number
BaseRepresentation
bin101011011011000…
…110100011110001
31212202211220110221
4223123012203301
52443000300131
6200142453041
724024234466
oct5333064361
91782756427
10728525041
11344262712
12183b94181
13b7c18c0a
146ca8166d
1543e59411
hex2b6c68f1

728525041 has 2 divisors, whose sum is σ = 728525042. Its totient is φ = 728525040.

The previous prime is 728525029. The next prime is 728525047. The reversal of 728525041 is 140525827.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 723394816 + 5130225 = 26896^2 + 2265^2 .

It is a cyclic number.

It is not a de Polignac number, because 728525041 - 25 = 728525009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 728524988 and 728525006.

It is not a weakly prime, because it can be changed into another prime (728525047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364262520 + 364262521.

It is an arithmetic number, because the mean of its divisors is an integer number (364262521).

Almost surely, 2728525041 is an apocalyptic number.

It is an amenable number.

728525041 is a deficient number, since it is larger than the sum of its proper divisors (1).

728525041 is an equidigital number, since it uses as much as digits as its factorization.

728525041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 728525041 is about 26991.2030298762. The cubic root of 728525041 is about 899.8045011580.

The spelling of 728525041 in words is "seven hundred twenty-eight million, five hundred twenty-five thousand, forty-one".