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428068 = 221031039
BaseRepresentation
bin1101000100000100100
3210202012101
41220200210
5102144233
613101444
73432004
oct1504044
9722171
10428068
11272683
12187884
1311cac4
14b2004
1586c7d
hex68824

428068 has 12 divisors (see below), whose sum is σ = 757120. Its totient is φ = 211752.

The previous prime is 428047. The next prime is 428083. The reversal of 428068 is 860824.

428068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

428068 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 in 3 ways as a sum of consecutive naturals, for example, 108 + ... + 931.

2428068 is an apocalyptic number.

It is an amenable number.

428068 is a deficient number, since it is larger than the sum of its proper divisors (329052).

428068 is a wasteful number, since it uses less digits than its factorization.

428068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 428068 is about 654.2690578042. The cubic root of 428068 is about 75.3652113152.

The spelling of 428068 in words is "four hundred twenty-eight thousand, sixty-eight".

Divisors: 1 2 4 103 206 412 1039 2078 4156 107017 214034 428068