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1300238825 = 5289584377
BaseRepresentation
bin100110110000000…
…0001000111101001
310100121121222100112
41031200001013221
510130330120300
6333004344105
744135563514
oct11540010751
93317558315
101300238825
11607a50746
12303545035
131794bc8b2
14c4983d7b
157923ae35
hex4d8011e9

1300238825 has 12 divisors (see below), whose sum is σ = 1630414620. Its totient is φ = 1028501760.

The previous prime is 1300238789. The next prime is 1300238839. The reversal of 1300238825 is 5288320031.

It can be written as a sum of positive squares in 6 ways, for example, as 237283216 + 1062955609 = 15404^2 + 32603^2 .

It is not a de Polignac number, because 1300238825 - 218 = 1299976681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300238791 and 1300238800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289964 + ... + 294413.

It is an arithmetic number, because the mean of its divisors is an integer number (135867885).

Almost surely, 21300238825 is an apocalyptic number.

It is an amenable number.

1300238825 is a deficient number, since it is larger than the sum of its proper divisors (330175795).

1300238825 is an equidigital number, since it uses as much as digits as its factorization.

1300238825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584476 (or 584471 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1300238825 is about 36058.8245094041. The cubic root of 1300238825 is about 1091.4597127907.

Adding to 1300238825 its reverse (5288320031), we get a palindrome (6588558856).

The spelling of 1300238825 in words is "one billion, three hundred million, two hundred thirty-eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 89 445 2225 584377 2921885 14609425 52009553 260047765 1300238825