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20241028 = 225060257
BaseRepresentation
bin100110100110…
…1101010000100
31102002100110201
41031031222010
520140203103
62001500244
7334021513
oct115155204
942070421
1020241028
1110475425
126941684
134269052
14298c67a
151b9c51d
hex134da84

20241028 has 6 divisors (see below), whose sum is σ = 35421806. Its totient is φ = 10120512.

The previous prime is 20241017. The next prime is 20241029. The reversal of 20241028 is 82014202.

It can be written as a sum of positive squares in only one way, i.e., 15303744 + 4937284 = 3912^2 + 2222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20240996 and 20241014.

It is not an unprimeable number, because it can be changed into a prime (20241029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530125 + ... + 2530132.

Almost surely, 220241028 is an apocalyptic number.

It is an amenable number.

20241028 is a deficient number, since it is larger than the sum of its proper divisors (15180778).

20241028 is a wasteful number, since it uses less digits than its factorization.

20241028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060261 (or 5060259 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 20241028 is about 4499.0030006658. The cubic root of 20241028 is about 272.5278281487.

The spelling of 20241028 in words is "twenty million, two hundred forty-one thousand, twenty-eight".

Divisors: 1 2 4 5060257 10120514 20241028