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768429 = 3285381
BaseRepresentation
bin10111011100110101101
31110001002100
42323212231
5144042204
624245313
76350214
oct2734655
91401070
10768429
11485372
12310839
1320b9bc
1416007b
15102a39
hexbb9ad

768429 has 6 divisors (see below), whose sum is σ = 1109966. Its totient is φ = 512280.

The previous prime is 768419. The next prime is 768431. The reversal of 768429 is 924867.

768429 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 492804 + 275625 = 702^2 + 525^2 .

It is not a de Polignac number, because 768429 - 27 = 768301 is a prime.

It is a Duffinian number.

768429 is strictly pandigital in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 768393 and 768402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768409) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 42682 + ... + 42699.

2768429 is an apocalyptic number.

It is an amenable number.

768429 is a deficient number, since it is larger than the sum of its proper divisors (341537).

768429 is a wasteful number, since it uses less digits than its factorization.

768429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85387 (or 85384 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 768429 is about 876.6008213549. The cubic root of 768429 is about 91.5941877029.

The spelling of 768429 in words is "seven hundred sixty-eight thousand, four hundred twenty-nine".

Divisors: 1 3 9 85381 256143 768429