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13425340 = 2252712477
BaseRepresentation
bin110011001101…
…101010111100
3221021002002211
4303031222330
511414102330
61155430204
7222053635
oct63155274
927232084
1013425340
11763a725
1245b5364
132a209b6
141ad688c
1512a2d2a
hexccdabc

13425340 has 24 divisors (see below), whose sum is σ = 28308672. Its totient is φ = 5348160.

The previous prime is 13425301. The next prime is 13425341. The reversal of 13425340 is 4352431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425341) 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, 4182 + ... + 6658.

It is an arithmetic number, because the mean of its divisors is an integer number (1179528).

Almost surely, 213425340 is an apocalyptic number.

13425340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13425340 is an abundant number, since it is smaller than the sum of its proper divisors (14883332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13425340 is a wasteful number, since it uses less digits than its factorization.

13425340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13425340 is about 3664.0605890187. The cubic root of 13425340 is about 237.6704003351.

Adding to 13425340 its reverse (4352431), we get a palindrome (17777771).

The spelling of 13425340 in words is "thirteen million, four hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2477 2710 4954 5420 9908 12385 24770 49540 671267 1342534 2685068 3356335 6712670 13425340