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397371085 = 5367216551
BaseRepresentation
bin10111101011110…
…110011011001101
31000200201112122121
4113223312123031
51303211333320
6103233012541
712563412166
oct2753663315
91020645577
10397371085
1119433a861
12b10b4151
1364430b27
143aabc76d
1524d448aa
hex17af66cd

397371085 has 8 divisors (see below), whose sum is σ = 478146816. Its totient is φ = 317029200.

The previous prime is 397371043. The next prime is 397371089. The reversal of 397371085 is 580173793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 397371085 - 27 = 397370957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397371089) 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 in 7 ways as a sum of consecutive naturals, for example, 106441 + ... + 110110.

It is an arithmetic number, because the mean of its divisors is an integer number (59768352).

Almost surely, 2397371085 is an apocalyptic number.

It is an amenable number.

397371085 is a deficient number, since it is larger than the sum of its proper divisors (80775731).

397371085 is a wasteful number, since it uses less digits than its factorization.

397371085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216923.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 397371085 is about 19934.1687812660. The cubic root of 397371085 is about 735.1885828903.

The spelling of 397371085 in words is "three hundred ninety-seven million, three hundred seventy-one thousand, eighty-five".

Divisors: 1 5 367 1835 216551 1082755 79474217 397371085