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2480869 = 4160509
BaseRepresentation
bin1001011101101011100101
311200001010001
421131223211
51113341434
6125101301
730041566
oct11355345
94601101
102480869
111444a06
129b7831
1368b291
1448816d
15340114
hex25dae5

2480869 has 4 divisors (see below), whose sum is σ = 2541420. Its totient is φ = 2420320.

The previous prime is 2480851. The next prime is 2480873. The reversal of 2480869 is 9680842.

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 1292769 + 1188100 = 1137^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2480869 - 213 = 2472677 is a prime.

It is a super-2 number, since 2×24808692 = 12309421990322, which contains 22 as substring.

It is a Duffinian number.

2480869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2480069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30214 + ... + 30295.

It is an arithmetic number, because the mean of its divisors is an integer number (635355).

22480869 is an apocalyptic number.

It is an amenable number.

2480869 is a deficient number, since it is larger than the sum of its proper divisors (60551).

2480869 is an equidigital number, since it uses as much as digits as its factorization.

2480869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60550.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2480869 is about 1575.0774584128. The cubic root of 2480869 is about 135.3737971545.

The spelling of 2480869 in words is "two million, four hundred eighty thousand, eight hundred sixty-nine".

Divisors: 1 41 60509 2480869