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6390797 = 7912971
BaseRepresentation
bin11000011000010000001101
3110000200112012
4120120100031
53114001142
6344551005
7105215030
oct30302015
913020465
106390797
113675556
122182465
131429b4a
14bc5017
15863882
hex61840d

6390797 has 4 divisors (see below), whose sum is σ = 7303776. Its totient is φ = 5477820.

The previous prime is 6390763. The next prime is 6390799. The reversal of 6390797 is 7970936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6390797 - 26 = 6390733 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 (6390799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456479 + ... + 456492.

It is an arithmetic number, because the mean of its divisors is an integer number (1825944).

Almost surely, 26390797 is an apocalyptic number.

It is an amenable number.

6390797 is a deficient number, since it is larger than the sum of its proper divisors (912979).

6390797 is an equidigital number, since it uses as much as digits as its factorization.

6390797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912978.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 6390797 is about 2528.0025712012. The cubic root of 6390797 is about 185.5745178582.

The spelling of 6390797 in words is "six million, three hundred ninety thousand, seven hundred ninety-seven".

Divisors: 1 7 912971 6390797