Search a number
-
+
772091 is a prime number
BaseRepresentation
bin10111100011111111011
31110020002222
42330133323
5144201331
624314255
76363665
oct2743773
91406088
10772091
114880a1
1231298b
13210578
14161535
15103b7b
hexbc7fb

772091 has 2 divisors, whose sum is σ = 772092. Its totient is φ = 772090.

The previous prime is 772081. The next prime is 772097. The reversal of 772091 is 190277.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 772091 - 214 = 755707 is a prime.

It is a super-2 number, since 2×7720912 = 1192249024562, which contains 22 as substring.

It is equal to p61892 and since 772091 and 61892 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 772091.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 772091.

It is not a weakly prime, because it can be changed into another prime (772097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386045 + 386046.

It is an arithmetic number, because the mean of its divisors is an integer number (386046).

2772091 is an apocalyptic number.

772091 is a deficient number, since it is larger than the sum of its proper divisors (1).

772091 is an equidigital number, since it uses as much as digits as its factorization.

772091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 772091 is about 878.6870887864. The cubic root of 772091 is about 91.7394566011.

The spelling of 772091 in words is "seven hundred seventy-two thousand, ninety-one".