Base | Representation |
---|---|
bin | 110010000110… |
… | …110110001010 |
3 | 220201100011110 |
4 | 302012312022 |
5 | 11330311432 |
6 | 1145311150 |
7 | 216435111 |
oct | 62066612 |
9 | 26640143 |
10 | 13135242 |
11 | 746177a |
12 | 44954b6 |
13 | 294b943 |
14 | 1a5cc78 |
15 | 1246dcc |
hex | c86d8a |
13135242 has 8 divisors (see below), whose sum is σ = 26270496. Its totient is φ = 4378412.
The previous prime is 13135217. The next prime is 13135247. The reversal of 13135242 is 24253131.
It is a sphenic number, since it is the product of 3 distinct primes.
13135242 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (13135247) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1094598 + ... + 1094609.
It is an arithmetic number, because the mean of its divisors is an integer number (3283812).
Almost surely, 213135242 is an apocalyptic number.
13135242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13135242 is a wasteful number, since it uses less digits than its factorization.
13135242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2189212.
The product of its digits is 720, while the sum is 21.
The square root of 13135242 is about 3624.2574411871. The cubic root of 13135242 is about 235.9460400429.
Adding to 13135242 its reverse (24253131), we get a palindrome (37388373).
It can be divided in two parts, 1313 and 5242, that added together give a triangular number (6555 = T114).
The spelling of 13135242 in words is "thirteen million, one hundred thirty-five thousand, two hundred forty-two".
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