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13135226 = 213505201
BaseRepresentation
bin110010000110…
…110101111010
3220201100010212
4302012311322
511330311401
61145311122
7216435056
oct62066572
926640125
1013135226
117461765
1244954a2
13294b930
141a5cc66
151246dbb
hexc86d7a

13135226 has 8 divisors (see below), whose sum is σ = 21218484. Its totient is φ = 6062400.

The previous prime is 13135217. The next prime is 13135247. The reversal of 13135226 is 62253131.

It can be written as a sum of positive squares in 2 ways, for example, as 12609601 + 525625 = 3551^2 + 725^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252575 + ... + 252626.

Almost surely, 213135226 is an apocalyptic number.

13135226 is a deficient number, since it is larger than the sum of its proper divisors (8083258).

13135226 is a wasteful number, since it uses less digits than its factorization.

13135226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505216.

The product of its digits is 1080, while the sum is 23.

The square root of 13135226 is about 3624.2552338377. The cubic root of 13135226 is about 235.9459442411.

Adding to 13135226 its reverse (62253131), we get a palindrome (75388357).

The spelling of 13135226 in words is "thirteen million, one hundred thirty-five thousand, two hundred twenty-six".

Divisors: 1 2 13 26 505201 1010402 6567613 13135226