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1325799485 = 51715597641
BaseRepresentation
bin100111100000110…
…0001100000111101
310102101201120222122
41033001201200331
510203401040420
6335320252325
744566052423
oct11701414075
93371646878
101325799485
1162041985a
123100110a5
1318189c04a
14c8119113
157b5d9725
hex4f06183d

1325799485 has 8 divisors (see below), whose sum is σ = 1684545336. Its totient is φ = 998248960.

The previous prime is 1325799481. The next prime is 1325799487. The reversal of 1325799485 is 5849975231.

It can be written as a sum of positive squares in 4 ways, for example, as 251729956 + 1074069529 = 15866^2 + 32773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1325799485 - 22 = 1325799481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325799481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7798736 + ... + 7798905.

It is an arithmetic number, because the mean of its divisors is an integer number (210568167).

Almost surely, 21325799485 is an apocalyptic number.

It is an amenable number.

1325799485 is a deficient number, since it is larger than the sum of its proper divisors (358745851).

1325799485 is a wasteful number, since it uses less digits than its factorization.

1325799485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15597663.

The product of its digits is 2721600, while the sum is 53.

The square root of 1325799485 is about 36411.5295613903. The cubic root of 1325799485 is about 1098.5654812857.

The spelling of 1325799485 in words is "one billion, three hundred twenty-five million, seven hundred ninety-nine thousand, four hundred eighty-five".

Divisors: 1 5 17 85 15597641 77988205 265159897 1325799485