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428794 = 2297393
BaseRepresentation
bin1101000101011111010
3210210012021
41220223322
5102210134
613105054
73434062
oct1505372
9723167
10428794
11273183
1218818a
13120232
14b23a2
15870b4
hex68afa

428794 has 8 divisors (see below), whose sum is σ = 665460. Its totient is φ = 206976.

The previous prime is 428777. The next prime is 428797. The reversal of 428794 is 497824.

It is a happy number.

428794 is digitally balanced in base 3, 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 2 ways, for example, as 416025 + 12769 = 645^2 + 113^2 .

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

It is not an unprimeable number, because it can be changed into a prime (428797) 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, 3639 + ... + 3754.

2428794 is an apocalyptic number.

428794 is a deficient number, since it is larger than the sum of its proper divisors (236666).

428794 is a wasteful number, since it uses less digits than its factorization.

428794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424.

The product of its digits is 16128, while the sum is 34.

The square root of 428794 is about 654.8236403796. The cubic root of 428794 is about 75.4077935221.

It can be divided in two parts, 42 and 8794, that added together give a square (8836 = 942).

The spelling of 428794 in words is "four hundred twenty-eight thousand, seven hundred ninety-four".

Divisors: 1 2 29 58 7393 14786 214397 428794