Search a number
-
+
1045140025 = 52172459153
BaseRepresentation
bin111110010010111…
…001001000111001
32200211121121120211
4332102321020321
54120023440100
6251412551121
734620354316
oct7622711071
92624547524
101045140025
11496a55196
122520224a1
131386b3467
149cb3bd0d
1561b4b1ba
hex3e4b9239

1045140025 has 12 divisors (see below), whose sum is σ = 1372207932. Its totient is φ = 786928640.

The previous prime is 1045140017. The next prime is 1045140037. The reversal of 1045140025 is 5200415401.

It can be written as a sum of positive squares in 6 ways, for example, as 146579449 + 898560576 = 12107^2 + 29976^2 .

It is not a de Polignac number, because 1045140025 - 23 = 1045140017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045139978 and 1045140005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1229152 + ... + 1230001.

It is an arithmetic number, because the mean of its divisors is an integer number (114350661).

Almost surely, 21045140025 is an apocalyptic number.

It is an amenable number.

1045140025 is a deficient number, since it is larger than the sum of its proper divisors (327067907).

1045140025 is a wasteful number, since it uses less digits than its factorization.

1045140025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459180 (or 2459175 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1045140025 is about 32328.6254734098. The cubic root of 1045140025 is about 1014.8257848485.

Adding to 1045140025 its reverse (5200415401), we get a palindrome (6245555426).

The spelling of 1045140025 in words is "one billion, forty-five million, one hundred forty thousand, twenty-five".

Divisors: 1 5 17 25 85 425 2459153 12295765 41805601 61478825 209028005 1045140025