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1308603425 = 5252344137
BaseRepresentation
bin100110111111111…
…1011010000100001
310101012100221102112
41031333323100201
510140000302200
6333503525105
744266642223
oct11577732041
93335327375
101308603425
11611744138
123062b9795
1317b15ac6c
14c5b20413
1579d3e535
hex4dffb421

1308603425 has 6 divisors (see below), whose sum is σ = 1622668278. Its totient is φ = 1046882720.

The previous prime is 1308603419. The next prime is 1308603433. The reversal of 1308603425 is 5243068031.

It can be written as a sum of positive squares in 3 ways, for example, as 244734736 + 1063868689 = 15644^2 + 32617^2 .

It is not a de Polignac number, because 1308603425 - 214 = 1308587041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1308603391 and 1308603400.

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, 26172044 + ... + 26172093.

It is an arithmetic number, because the mean of its divisors is an integer number (270444713).

Almost surely, 21308603425 is an apocalyptic number.

It is an amenable number.

1308603425 is a deficient number, since it is larger than the sum of its proper divisors (314064853).

1308603425 is an equidigital number, since it uses as much as digits as its factorization.

1308603425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52344147 (or 52344142 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1308603425 is about 36174.6240478046. The cubic root of 1308603425 is about 1093.7952109747.

The spelling of 1308603425 in words is "one billion, three hundred eight million, six hundred three thousand, four hundred twenty-five".

Divisors: 1 5 25 52344137 261720685 1308603425