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2428993 = 7353983
BaseRepresentation
bin1001010001000001000001
311120101221201
421101001001
51110211433
6124021201
726434420
oct11210101
94511851
102428993
111409a36
12991801
13670798
144732b7
1532ea7d
hex251041

2428993 has 8 divisors (see below), whose sum is σ = 2786688. Its totient is φ = 2073984.

The previous prime is 2428991. The next prime is 2428997. The reversal of 2428993 is 3998242.

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

It is a cyclic number.

It is not a de Polignac number, because 2428993 - 21 = 2428991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2428991) 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, 1980 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (348336).

22428993 is an apocalyptic number.

It is an amenable number.

2428993 is a deficient number, since it is larger than the sum of its proper divisors (357695).

2428993 is an equidigital number, since it uses as much as digits as its factorization.

2428993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its digits is 31104, while the sum is 37.

The square root of 2428993 is about 1558.5226979419. The cubic root of 2428993 is about 134.4235687420.

The spelling of 2428993 in words is "two million, four hundred twenty-eight thousand, nine hundred ninety-three".

Divisors: 1 7 353 983 2471 6881 346999 2428993