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385834 = 2192917
BaseRepresentation
bin1011110001100101010
3201121021011
41132030222
544321314
612134134
73164611
oct1361452
9647234
10385834
11243979
1216734a
13106807
14a0878
15794c4
hex5e32a

385834 has 4 divisors (see below), whose sum is σ = 578754. Its totient is φ = 192916.

The previous prime is 385831. The next prime is 385837. The reversal of 385834 is 438583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438583 = 1725799.

It is an interprime number because it is at equal distance from previous prime (385831) and next prime (385837).

It can be written as a sum of positive squares in only one way, i.e., 205209 + 180625 = 453^2 + 425^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 385796 and 385805.

It is not an unprimeable number, because it can be changed into a prime (385831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96457 + ... + 96460.

2385834 is an apocalyptic number.

385834 is a deficient number, since it is larger than the sum of its proper divisors (192920).

385834 is a wasteful number, since it uses less digits than its factorization.

385834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192919.

The product of its digits is 11520, while the sum is 31.

The square root of 385834 is about 621.1553750874. The cubic root of 385834 is about 72.8003552291.

The spelling of 385834 in words is "three hundred eighty-five thousand, eight hundred thirty-four".

Divisors: 1 2 192917 385834