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385797 = 3128599
BaseRepresentation
bin1011110001100000101
3201121012210
41132030011
544321142
612134033
73164526
oct1361405
9647183
10385797
11243945
12167319
131067a9
14a084d
157949c
hex5e305

385797 has 4 divisors (see below), whose sum is σ = 514400. Its totient is φ = 257196.

The previous prime is 385793. The next prime is 385811. The reversal of 385797 is 797583.

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, and also an emirpimes, since its reverse is a distinct semiprime: 797583 = 3265861.

It is not a de Polignac number, because 385797 - 22 = 385793 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385793) 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, 64297 + ... + 64302.

It is an arithmetic number, because the mean of its divisors is an integer number (128600).

385797 is a Friedman number, since it can be written as 9*(7*5)^3-78, using all its digits and the basic arithmetic operations.

2385797 is an apocalyptic number.

It is an amenable number.

385797 is a deficient number, since it is larger than the sum of its proper divisors (128603).

385797 is a wasteful number, since it uses less digits than its factorization.

385797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128602.

The product of its digits is 52920, while the sum is 39.

The square root of 385797 is about 621.1255911649. The cubic root of 385797 is about 72.7980280632.

The spelling of 385797 in words is "three hundred eighty-five thousand, seven hundred ninety-seven".

Divisors: 1 3 128599 385797