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13435525 = 5217101313
BaseRepresentation
bin110011010000…
…001010000101
3221021121002001
4303100022011
511414414100
61155545301
7222125425
oct63201205
927247061
1013435525
117647344
1245bb231
132a2551c
141ada485
1512a5d6a
hexcd0285

13435525 has 24 divisors (see below), whose sum is σ = 17871624. Its totient is φ = 9984000.

The previous prime is 13435523. The next prime is 13435531. The reversal of 13435525 is 52553431.

13435525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 2505889 + 10929636 = 1583^2 + 3306^2 .

It is not a de Polignac number, because 13435525 - 21 = 13435523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13435493 and 13435502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13435523) 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, 42769 + ... + 43081.

It is an arithmetic number, because the mean of its divisors is an integer number (744651).

Almost surely, 213435525 is an apocalyptic number.

It is an amenable number.

13435525 is a deficient number, since it is larger than the sum of its proper divisors (4436099).

13435525 is a wasteful number, since it uses less digits than its factorization.

13435525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 436 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 13435525 is about 3665.4501769905. The cubic root of 13435525 is about 237.7304872341.

Adding to 13435525 its reverse (52553431), we get a palindrome (65988956).

The spelling of 13435525 in words is "thirteen million, four hundred thirty-five thousand, five hundred twenty-five".

Divisors: 1 5 17 25 85 101 313 425 505 1565 1717 2525 5321 7825 8585 26605 31613 42925 133025 158065 537421 790325 2687105 13435525