Search a number
-
+
397386023 is a prime number
BaseRepresentation
bin10111101011111…
…010000100100111
31000200202022010212
4113223322010213
51303212323043
6103233210035
712563503556
oct2753720447
91020668125
10397386023
11194350001
12b110091b
1364437878
143aac3d9d
1524d49018
hex17afa127

397386023 has 2 divisors, whose sum is σ = 397386024. Its totient is φ = 397386022.

The previous prime is 397385959. The next prime is 397386029. The reversal of 397386023 is 320683793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397386023 - 26 = 397385959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397386029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198693011 + 198693012.

It is an arithmetic number, because the mean of its divisors is an integer number (198693012).

Almost surely, 2397386023 is an apocalyptic number.

397386023 is a deficient number, since it is larger than the sum of its proper divisors (1).

397386023 is an equidigital number, since it uses as much as digits as its factorization.

397386023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 397386023 is about 19934.5434610377. The cubic root of 397386023 is about 735.1977951941.

The spelling of 397386023 in words is "three hundred ninety-seven million, three hundred eighty-six thousand, twenty-three".