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768308 = 22241797
BaseRepresentation
bin10111011100100110100
31110000220212
42323210310
5144041213
624244552
76346652
oct2734464
91400825
10768308
11485272
12310758
1320b928
1415ddd2
151029a8
hexbb934

768308 has 12 divisors (see below), whose sum is σ = 1351812. Its totient is φ = 382080.

The previous prime is 768301. The next prime is 768319. The reversal of 768308 is 803867.

It can be written as a sum of positive squares in 2 ways, for example, as 478864 + 289444 = 692^2 + 538^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566 + ... + 1362.

It is an arithmetic number, because the mean of its divisors is an integer number (112651).

2768308 is an apocalyptic number.

It is an amenable number.

768308 is a deficient number, since it is larger than the sum of its proper divisors (583504).

768308 is a wasteful number, since it uses less digits than its factorization.

768308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 768308 is about 876.5318020471. The cubic root of 768308 is about 91.5893798510.

The spelling of 768308 in words is "seven hundred sixty-eight thousand, three hundred eight".

Divisors: 1 2 4 241 482 797 964 1594 3188 192077 384154 768308