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1304562425 = 5252182497
BaseRepresentation
bin100110111000010…
…0000101011111001
310100220202122012212
41031300200223321
510132431444200
6333241144505
744220411665
oct11560405371
93326678185
101304562425
1160a434071
12304a8b135
1317a37483a
14c538b8a5
15797e2035
hex4dc20af9

1304562425 has 6 divisors (see below), whose sum is σ = 1617657438. Its totient is φ = 1043649920.

The previous prime is 1304562421. The next prime is 1304562431. The reversal of 1304562425 is 5242654031.

It can be written as a sum of positive squares in 3 ways, for example, as 21418384 + 1283144041 = 4628^2 + 35821^2 .

It is not a de Polignac number, because 1304562425 - 22 = 1304562421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1304562391 and 1304562400.

It is not an unprimeable number, because it can be changed into a prime (1304562421) 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, 26091224 + ... + 26091273.

It is an arithmetic number, because the mean of its divisors is an integer number (269609573).

Almost surely, 21304562425 is an apocalyptic number.

It is an amenable number.

1304562425 is a deficient number, since it is larger than the sum of its proper divisors (313095013).

1304562425 is an equidigital number, since it uses as much as digits as its factorization.

1304562425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52182507 (or 52182502 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1304562425 is about 36118.7267909598. The cubic root of 1304562425 is about 1092.6681610980.

The spelling of 1304562425 in words is "one billion, three hundred four million, five hundred sixty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 52182497 260912485 1304562425