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2428045 = 5485609
BaseRepresentation
bin1001010000110010001101
311120100122121
421100302031
51110144140
6124012541
726431564
oct11206215
94510577
102428045
111409254
12991151
13670219
14472bdb
1532e64a
hex250c8d

2428045 has 4 divisors (see below), whose sum is σ = 2913660. Its totient is φ = 1942432.

The previous prime is 2428043. The next prime is 2428057. The reversal of 2428045 is 5408242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 885481 = 1242^2 + 941^2 .

It is a cyclic number.

It is not a de Polignac number, because 2428045 - 21 = 2428043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242800 + ... + 242809.

It is an arithmetic number, because the mean of its divisors is an integer number (728415).

22428045 is an apocalyptic number.

It is an amenable number.

2428045 is a deficient number, since it is larger than the sum of its proper divisors (485615).

2428045 is an equidigital number, since it uses as much as digits as its factorization.

2428045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485614.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2428045 is about 1558.2185340959. The cubic root of 2428045 is about 134.4060786236.

The spelling of 2428045 in words is "two million, four hundred twenty-eight thousand, forty-five".

Divisors: 1 5 485609 2428045