Search a number
-
+
1328068 = 22747431
BaseRepresentation
bin101000100001111000100
32111110202201
411010033010
5314444233
644244244
714200630
oct5041704
92443681
101328068
11827885
12540684
13376651
14267dc0
151b377d
hex1443c4

1328068 has 12 divisors (see below), whose sum is σ = 2656192. Its totient is φ = 569160.

The previous prime is 1328051. The next prime is 1328077. The reversal of 1328068 is 8608231.

1328068 is nontrivially palindromic in base 6.

1328068 is an admirable number.

It is a super-2 number, since 2×13280682 = 3527529225248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 47431 = 1328068 / (1 + 3 + 2 + 8 + 0 + 6 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23688 + ... + 23743.

21328068 is an apocalyptic number.

It is an amenable number.

1328068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1328068 is a wasteful number, since it uses less digits than its factorization.

1328068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47442 (or 47440 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1328068 is about 1152.4183268241. The cubic root of 1328068 is about 109.9191692683.

The spelling of 1328068 in words is "one million, three hundred twenty-eight thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 47431 94862 189724 332017 664034 1328068