Search a number
-
+
10728191 is a prime number
BaseRepresentation
bin101000111011…
…001011111111
3202012001022102
4220323023333
510221300231
61021535315
7160121345
oct50731377
922161272
1010728191
116068281
12371453b
1322b8156
1415d3995
15e1dacb
hexa3b2ff

10728191 has 2 divisors, whose sum is σ = 10728192. Its totient is φ = 10728190.

The previous prime is 10728169. The next prime is 10728197. The reversal of 10728191 is 19182701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10728191 - 26 = 10728127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10728197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5364095 + 5364096.

It is an arithmetic number, because the mean of its divisors is an integer number (5364096).

Almost surely, 210728191 is an apocalyptic number.

10728191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10728191 is an equidigital number, since it uses as much as digits as its factorization.

10728191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 10728191 is about 3275.3917322971. The cubic root of 10728191 is about 220.5508989644.

The spelling of 10728191 in words is "ten million, seven hundred twenty-eight thousand, one hundred ninety-one".