Search a number
-
+
397079029 is a prime number
BaseRepresentation
bin10111101010101…
…111000111110101
31000200011201000201
4113222233013311
51303123012104
6103222440501
712561054544
oct2752570765
91020151021
10397079029
11194160396
12b0b93131
136435ac09
143aa4415b
1524cd80a4
hex17aaf1f5

397079029 has 2 divisors, whose sum is σ = 397079030. Its totient is φ = 397079028.

The previous prime is 397078961. The next prime is 397079041. The reversal of 397079029 is 920970793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388168804 + 8910225 = 19702^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 397079029 - 215 = 397046261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 397079029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397079129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198539514 + 198539515.

It is an arithmetic number, because the mean of its divisors is an integer number (198539515).

Almost surely, 2397079029 is an apocalyptic number.

It is an amenable number.

397079029 is a deficient number, since it is larger than the sum of its proper divisors (1).

397079029 is an equidigital number, since it uses as much as digits as its factorization.

397079029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 397079029 is about 19926.8419223920. The cubic root of 397079029 is about 735.0084247881.

The spelling of 397079029 in words is "three hundred ninety-seven million, seventy-nine thousand, twenty-nine".