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768142 = 2433887
BaseRepresentation
bin10111011100010001110
31110000200201
42323202032
5144040032
624244114
76346324
oct2734216
91400621
10768142
11485131
1231063a
1320b82b
1415dd14
151028e7
hexbb88e

768142 has 8 divisors (see below), whose sum is σ = 1156176. Its totient is φ = 382752.

The previous prime is 768139. The next prime is 768161. The reversal of 768142 is 241867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 768142.

It is a congruent number.

It is an unprimeable number.

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, 423 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (144522).

2768142 is an apocalyptic number.

768142 is a deficient number, since it is larger than the sum of its proper divisors (388034).

768142 is a wasteful number, since it uses less digits than its factorization.

768142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322.

The product of its digits is 2688, while the sum is 28.

The square root of 768142 is about 876.4371055586. The cubic root of 768142 is about 91.5827831336.

The spelling of 768142 in words is "seven hundred sixty-eight thousand, one hundred forty-two".

Divisors: 1 2 433 866 887 1774 384071 768142