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2428539 = 37910247
BaseRepresentation
bin1001010000111001111011
311120101022220
421100321323
51110203124
6124015123
726433201
oct11207173
94511286
102428539
111409663
129914a3
13670509
14473071
1532e879
hex250e7b

2428539 has 8 divisors (see below), whose sum is σ = 3279360. Its totient is φ = 1598376.

The previous prime is 2428529. The next prime is 2428541. The reversal of 2428539 is 9358242.

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 2428539 - 211 = 2426491 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 an Ulam number.

2428539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2428529) 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, 4887 + ... + 5360.

It is an arithmetic number, because the mean of its divisors is an integer number (409920).

22428539 is an apocalyptic number.

2428539 is a deficient number, since it is larger than the sum of its proper divisors (850821).

2428539 is a wasteful number, since it uses less digits than its factorization.

2428539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329.

The product of its digits is 17280, while the sum is 33.

The square root of 2428539 is about 1558.3770403853. The cubic root of 2428539 is about 134.4151932406.

The spelling of 2428539 in words is "two million, four hundred twenty-eight thousand, five hundred thirty-nine".

Divisors: 1 3 79 237 10247 30741 809513 2428539