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1428033 = 3619769
BaseRepresentation
bin101011100101001000001
32200112220010
411130221001
5331144113
650335133
715065235
oct5345101
92615803
101428033
118959a2
1258a4a9
133accb9
142925c5
151d31c3
hex15ca41

1428033 has 8 divisors (see below), whose sum is σ = 1909600. Its totient is φ = 949248.

The previous prime is 1428029. The next prime is 1428041. The reversal of 1428033 is 3308241.

It is a happy number.

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

It is not a de Polignac number, because 1428033 - 22 = 1428029 is a prime.

It is a Duffinian number.

1428033 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1428013) 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, 1473 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (238700).

21428033 is an apocalyptic number.

It is an amenable number.

1428033 is a deficient number, since it is larger than the sum of its proper divisors (481567).

1428033 is an equidigital number, since it uses as much as digits as its factorization.

1428033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1428033 is about 1195.0033472756. The cubic root of 1428033 is about 112.6106368388.

The spelling of 1428033 in words is "one million, four hundred twenty-eight thousand, thirty-three".

Divisors: 1 3 619 769 1857 2307 476011 1428033