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1330093025 = 5253203721
BaseRepresentation
bin100111101000111…
…1001101111100001
310102200210201121122
41033101321233201
510211000434100
6335552302025
744650414142
oct11721715741
93380721548
101330093025
11622891638
12311541915
131827433c1
14c8915ac9
157bb86985
hex4f479be1

1330093025 has 6 divisors (see below), whose sum is σ = 1649315382. Its totient is φ = 1064074400.

The previous prime is 1330093007. The next prime is 1330093067. The reversal of 1330093025 is 5203900331.

It can be written as a sum of positive squares in 3 ways, for example, as 416119201 + 913973824 = 20399^2 + 30232^2 .

It is not a de Polignac number, because 1330093025 - 26 = 1330092961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330092985 and 1330093003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26601836 + ... + 26601885.

It is an arithmetic number, because the mean of its divisors is an integer number (274885897).

Almost surely, 21330093025 is an apocalyptic number.

It is an amenable number.

1330093025 is a deficient number, since it is larger than the sum of its proper divisors (319222357).

1330093025 is an equidigital number, since it uses as much as digits as its factorization.

1330093025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53203731 (or 53203726 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 1330093025 is about 36470.4404278314. The cubic root of 1330093025 is about 1099.7500878541.

Adding to 1330093025 its reverse (5203900331), we get a palindrome (6533993356).

The spelling of 1330093025 in words is "one billion, three hundred thirty million, ninety-three thousand, twenty-five".

Divisors: 1 5 25 53203721 266018605 1330093025