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768386 = 2384193
BaseRepresentation
bin10111011100110000010
31110001000202
42323212002
5144042021
624245202
76350123
oct2734602
91401022
10768386
11485333
12310802
1320b988
1416004a
15102a0b
hexbb982

768386 has 4 divisors (see below), whose sum is σ = 1152582. Its totient is φ = 384192.

The previous prime is 768377. The next prime is 768389. The reversal of 768386 is 683867.

768386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 683867 = 1935993.

It can be written as a sum of positive squares in only one way, i.e., 755161 + 13225 = 869^2 + 115^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (768389) by changing a digit.

768386 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192095 + ... + 192098.

2768386 is an apocalyptic number.

768386 is a deficient number, since it is larger than the sum of its proper divisors (384196).

768386 is a wasteful number, since it uses less digits than its factorization.

768386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384195.

The product of its digits is 48384, while the sum is 38.

The square root of 768386 is about 876.5762944547. The cubic root of 768386 is about 91.5924791852.

The spelling of 768386 in words is "seven hundred sixty-eight thousand, three hundred eighty-six".

Divisors: 1 2 384193 768386