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728345741 is a prime number
BaseRepresentation
bin101011011010011…
…010110010001101
31212202111210112012
4223122122302031
52442424030431
6200134551005
724022556654
oct5332326215
91782453465
10728345741
1134414aa32
12183b08465
13b7b85416
146ca3619b
1543e2122b
hex2b69ac8d

728345741 has 2 divisors, whose sum is σ = 728345742. Its totient is φ = 728345740.

The previous prime is 728345719. The next prime is 728345767. The reversal of 728345741 is 147543827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677508841 + 50836900 = 26029^2 + 7130^2 .

It is a cyclic number.

It is not a de Polignac number, because 728345741 - 218 = 728083597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728345941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364172870 + 364172871.

It is an arithmetic number, because the mean of its divisors is an integer number (364172871).

Almost surely, 2728345741 is an apocalyptic number.

It is an amenable number.

728345741 is a deficient number, since it is larger than the sum of its proper divisors (1).

728345741 is an equidigital number, since it uses as much as digits as its factorization.

728345741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 41.

The square root of 728345741 is about 26987.8813729422. The cubic root of 728345741 is about 899.7306770269.

The spelling of 728345741 in words is "seven hundred twenty-eight million, three hundred forty-five thousand, seven hundred forty-one".