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13034538 = 2321165831
BaseRepresentation
bin110001101110…
…010000101010
3220112020000200
4301232100222
511314101123
61143213030
7215535366
oct61562052
926466020
1013034538
1173a3050
124447176
132914b5a
141a342a6
151227143
hexc6e42a

13034538 has 24 divisors (see below), whose sum is σ = 30809376. Its totient is φ = 3949800.

The previous prime is 13034521. The next prime is 13034561. The reversal of 13034538 is 83543031.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32718 + ... + 33113.

It is an arithmetic number, because the mean of its divisors is an integer number (1283724).

Almost surely, 213034538 is an apocalyptic number.

13034538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13034538 is an abundant number, since it is smaller than the sum of its proper divisors (17774838).

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

13034538 is a wasteful number, since it uses less digits than its factorization.

13034538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65850 (or 65847 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 13034538 is about 3610.3376573390. The cubic root of 13034538 is about 235.3415164242.

Adding to 13034538 its reverse (83543031), we get a palindrome (96577569).

The spelling of 13034538 in words is "thirteen million, thirty-four thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 65831 131662 197493 394986 592479 724141 1184958 1448282 2172423 4344846 6517269 13034538