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385982 = 2192991
BaseRepresentation
bin1011110001110111110
3201121110122
41132032332
544322412
612134542
73165212
oct1361676
9647418
10385982
11243aa3
12167452
131068bc
14a0942
1579572
hex5e3be

385982 has 4 divisors (see below), whose sum is σ = 578976. Its totient is φ = 192990.

The previous prime is 385967. The next prime is 385991. The reversal of 385982 is 289583.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

385982 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96494 + ... + 96497.

It is an arithmetic number, because the mean of its divisors is an integer number (144744).

2385982 is an apocalyptic number.

385982 is a deficient number, since it is larger than the sum of its proper divisors (192994).

385982 is a wasteful number, since it uses less digits than its factorization.

385982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192993.

The product of its digits is 17280, while the sum is 35.

The square root of 385982 is about 621.2744964989. The cubic root of 385982 is about 72.8096624055.

The spelling of 385982 in words is "three hundred eighty-five thousand, nine hundred eighty-two".

Divisors: 1 2 192991 385982