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385943 is a prime number
BaseRepresentation
bin1011110001110010111
3201121102012
41132032113
544322233
612134435
73165125
oct1361627
9647365
10385943
11243a68
1216741b
1310688c
14a0915
1579548
hex5e397

385943 has 2 divisors, whose sum is σ = 385944. Its totient is φ = 385942.

The previous prime is 385939. The next prime is 385967. The reversal of 385943 is 349583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385943 - 22 = 385939 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 385943.

It is not a weakly prime, because it can be changed into another prime (385843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192971 + 192972.

It is an arithmetic number, because the mean of its divisors is an integer number (192972).

385943 is a Friedman number, since it can be written as 9*(35^3+8)-4, using all its digits and the basic arithmetic operations.

2385943 is an apocalyptic number.

385943 is a deficient number, since it is larger than the sum of its proper divisors (1).

385943 is an equidigital number, since it uses as much as digits as its factorization.

385943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 385943 is about 621.2431086137. The cubic root of 385943 is about 72.8072100696.

The spelling of 385943 in words is "three hundred eighty-five thousand, nine hundred forty-three".