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13413525 = 352199413
BaseRepresentation
bin110011001010…
…110010010101
3221020110220020
4303022302111
511413213100
61155255353
7222004326
oct63126225
927213806
1013413525
117631864
1245aa559
132a184c8
141ad244d
15129e5a0
hexccac95

13413525 has 24 divisors (see below), whose sum is σ = 23346720. Its totient is φ = 6776640.

The previous prime is 13413523. The next prime is 13413529. The reversal of 13413525 is 52531431.

13413525 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13413525 - 21 = 13413523 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13413495 and 13413504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413523) 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, 3282 + ... + 6131.

It is an arithmetic number, because the mean of its divisors is an integer number (972780).

Almost surely, 213413525 is an apocalyptic number.

13413525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13413525 is a deficient number, since it is larger than the sum of its proper divisors (9933195).

13413525 is a wasteful number, since it uses less digits than its factorization.

13413525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445 (or 9440 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 13413525 is about 3662.4479518486. The cubic root of 13413525 is about 237.6006590862.

Adding to 13413525 its reverse (52531431), we get a palindrome (65944956).

The spelling of 13413525 in words is "thirteen million, four hundred thirteen thousand, five hundred twenty-five".

Divisors: 1 3 5 15 19 25 57 75 95 285 475 1425 9413 28239 47065 141195 178847 235325 536541 705975 894235 2682705 4471175 13413525