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1304505041 = 7372197691
BaseRepresentation
bin100110111000001…
…0010101011010001
310100220122201111112
41031300102223101
510132423130131
6333240023105
744220052460
oct11560225321
93326581445
101304505041
1160a3a4a44
12304a61a95
1317a354698
14c53749d7
15797d002b
hex4dc12ad1

1304505041 has 24 divisors (see below), whose sum is σ = 1542252096. Its totient is φ = 1080838080.

The previous prime is 1304505023. The next prime is 1304505043. The reversal of 1304505041 is 1405054031.

It is not a de Polignac number, because 1304505041 - 26 = 1304504977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1304504998 and 1304505016.

It is not an unprimeable number, because it can be changed into a prime (1304505043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1887506 + ... + 1888196.

It is an arithmetic number, because the mean of its divisors is an integer number (64260504).

Almost surely, 21304505041 is an apocalyptic number.

It is an amenable number.

1304505041 is a deficient number, since it is larger than the sum of its proper divisors (237747055).

1304505041 is an equidigital number, since it uses as much as digits as its factorization.

1304505041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1304505041 is about 36117.9324020631. The cubic root of 1304505041 is about 1092.6521397389.

Adding to 1304505041 its reverse (1405054031), we get a palindrome (2709559072).

The spelling of 1304505041 in words is "one billion, three hundred four million, five hundred five thousand, forty-one".

Divisors: 1 7 37 197 259 691 1369 1379 4837 7289 9583 25567 51023 136127 178969 269693 945979 952889 1887851 5036699 6621853 35256893 186357863 1304505041