Search a number
-
+
2045020041 = 3440961729
BaseRepresentation
bin111100111100100…
…1000011110001001
312021112001210010000
41321321020132021
513142011120131
6534531513213
7101451245361
oct17171103611
95245053100
102045020041
1195a3a6909
12490a58809
132678aab3c
141558579a1
15be806ce6
hex79e48789

2045020041 has 20 divisors (see below), whose sum is σ = 3062425300. Its totient is φ = 1359991296.

The previous prime is 2045020037. The next prime is 2045020067. The reversal of 2045020041 is 1400205402.

It can be written as a sum of positive squares in 2 ways, for example, as 1956735225 + 88284816 = 44235^2 + 9396^2 .

It is not a de Polignac number, because 2045020041 - 22 = 2045020037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045019996 and 2045020023.

It is not an unprimeable number, because it can be changed into a prime (2045024041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2265 + ... + 63993.

It is an arithmetic number, because the mean of its divisors is an integer number (153121265).

Almost surely, 22045020041 is an apocalyptic number.

It is an amenable number.

2045020041 is a deficient number, since it is larger than the sum of its proper divisors (1017405259).

2045020041 is an equidigital number, since it uses as much as digits as its factorization.

2045020041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62150 (or 62141 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2045020041 is about 45221.8978040506. The cubic root of 2045020041 is about 1269.3046063872.

Adding to 2045020041 its reverse (1400205402), we get a palindrome (3445225443).

The spelling of 2045020041 in words is "two billion, forty-five million, twenty thousand, forty-one".

Divisors: 1 3 9 27 81 409 1227 3681 11043 33129 61729 185187 555561 1666683 5000049 25247161 75741483 227224449 681673347 2045020041