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2044022425 = 5281760897
BaseRepresentation
bin111100111010101…
…0100111010011001
312021110012002122021
41321311110322121
513141232204200
6534454254441
7101436622024
oct17165247231
95243162567
102044022425
11959885335
12490657421
1326761ba33
141556781bb
15be6ab41a
hex79d54e99

2044022425 has 6 divisors (see below), whose sum is σ = 2534587838. Its totient is φ = 1635217920.

The previous prime is 2044022401. The next prime is 2044022429. The reversal of 2044022425 is 5242204402.

It can be written as a sum of positive squares in 3 ways, for example, as 42981136 + 2001041289 = 6556^2 + 44733^2 .

It is not a de Polignac number, because 2044022425 - 221 = 2041925273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 81760897 = 2044022425 / (2 + 0 + 4 + 4 + 0 + 2 + 2 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2044022425.

It is not an unprimeable number, because it can be changed into a prime (2044022429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40880424 + ... + 40880473.

Almost surely, 22044022425 is an apocalyptic number.

2044022425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2044022425 is a deficient number, since it is larger than the sum of its proper divisors (490565413).

2044022425 is an equidigital number, since it uses as much as digits as its factorization.

2044022425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81760907 (or 81760902 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2044022425 is about 45210.8662270477. The cubic root of 2044022425 is about 1269.0981724611.

Adding to 2044022425 its reverse (5242204402), we get a palindrome (7286226827).

The spelling of 2044022425 in words is "two billion, forty-four million, twenty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 81760897 408804485 2044022425