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384028 = 221931163
BaseRepresentation
bin1011101110000011100
3201111210021
41131300130
544242103
612121524
73156421
oct1356034
9644707
10384028
11242587
121662a4
13105a48
149dd48
1578bbd
hex5dc1c

384028 has 24 divisors (see below), whose sum is σ = 734720. Its totient is φ = 174960.

The previous prime is 384017. The next prime is 384029. The reversal of 384028 is 820483.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 383993 and 384011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275 + ... + 2437.

2384028 is an apocalyptic number.

384028 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

384028 is a deficient number, since it is larger than the sum of its proper divisors (350692).

384028 is a wasteful number, since it uses less digits than its factorization.

384028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 384028 is about 619.6999273842. The cubic root of 384028 is about 72.6865903154.

The spelling of 384028 in words is "three hundred eighty-four thousand, twenty-eight".

Divisors: 1 2 4 19 31 38 62 76 124 163 326 589 652 1178 2356 3097 5053 6194 10106 12388 20212 96007 192014 384028