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2250125305 = 52324120749
BaseRepresentation
bin1000011000011110…
…0010111111111001
312210211000012122021
42012013202333321
514102013002210
61011135554441
7106521515041
oct20607427771
95724005567
102250125305
11a5515649a
1252968ba21
1329b231abc
14174ba8721
15d281dbda
hex861e2ff9

2250125305 has 24 divisors (see below), whose sum is σ = 2891637000. Its totient is φ = 1679758080.

The previous prime is 2250125291. The next prime is 2250125333. The reversal of 2250125305 is 5035210522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 159441129 + 2090684176 = 12627^2 + 45724^2 .

It is not a de Polignac number, because 2250125305 - 211 = 2250123257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2250125305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98071 + ... + 118819.

It is an arithmetic number, because the mean of its divisors is an integer number (120484875).

Almost surely, 22250125305 is an apocalyptic number.

It is an amenable number.

2250125305 is a deficient number, since it is larger than the sum of its proper divisors (641511695).

2250125305 is a wasteful number, since it uses less digits than its factorization.

2250125305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20841 (or 20818 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2250125305 is about 47435.4857148106. The cubic root of 2250125305 is about 1310.3950219863.

Adding to 2250125305 its reverse (5035210522), we get a palindrome (7285335827).

The spelling of 2250125305 in words is "two billion, two hundred fifty million, one hundred twenty-five thousand, three hundred five".

Divisors: 1 5 23 41 115 205 529 943 2645 4715 20749 21689 103745 108445 477227 850709 2386135 4253545 10976221 19566307 54881105 97831535 450025061 2250125305