Base | Representation |
---|---|
bin | 110100001110… |
… | …010101100010 |
3 | 221202112102211 |
4 | 310032111202 |
5 | 12001041320 |
6 | 1205232334 |
7 | 224236102 |
oct | 64162542 |
9 | 27675384 |
10 | 13690210 |
11 | 7800726 |
12 | 47026aa |
13 | 2ab4421 |
14 | 1b65202 |
15 | 130655a |
hex | d0e562 |
13690210 has 8 divisors (see below), whose sum is σ = 24642396. Its totient is φ = 5476080.
The previous prime is 13690181. The next prime is 13690213. The reversal of 13690210 is 1209631.
It can be written as a sum of positive squares in 2 ways, for example, as 12397441 + 1292769 = 3521^2 + 1137^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (13690213) 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, 684501 + ... + 684520.
Almost surely, 213690210 is an apocalyptic number.
13690210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13690210 is a deficient number, since it is larger than the sum of its proper divisors (10952186).
13690210 is a wasteful number, since it uses less digits than its factorization.
13690210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1369028.
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 13690210 is about 3700.0283782696. The cubic root of 13690210 is about 239.2232410500.
Adding to 13690210 its reverse (1209631), we get a palindrome (14899841).
The spelling of 13690210 in words is "thirteen million, six hundred ninety thousand, two hundred ten".
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