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1428963 = 33731277
BaseRepresentation
bin101011100110111100011
32200121011120
411130313203
5331211323
650343323
715101034
oct5346743
92617146
101428963
11896668
1258ab43
133b0553
14292a8b
151d35e3
hex15cde3

1428963 has 8 divisors (see below), whose sum is σ = 1911888. Its totient is φ = 949344.

The previous prime is 1428953. The next prime is 1428979. The reversal of 1428963 is 3698241.

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

It is not a de Polignac number, because 1428963 - 26 = 1428899 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1428923) 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 7 ways as a sum of consecutive naturals, for example, 481 + ... + 1757.

It is an arithmetic number, because the mean of its divisors is an integer number (238986).

21428963 is an apocalyptic number.

1428963 is a deficient number, since it is larger than the sum of its proper divisors (482925).

1428963 is a wasteful number, since it uses less digits than its factorization.

1428963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653.

The product of its digits is 10368, while the sum is 33.

The square root of 1428963 is about 1195.3924041920. The cubic root of 1428963 is about 112.6350772558.

The spelling of 1428963 in words is "one million, four hundred twenty-eight thousand, nine hundred sixty-three".

Divisors: 1 3 373 1119 1277 3831 476321 1428963