Base | Representation |
---|---|
bin | 110011000010… |
… | …010100010110 |
3 | 221011201022112 |
4 | 303002110112 |
5 | 11411110323 |
6 | 1154431022 |
7 | 221501234 |
oct | 63022426 |
9 | 27151275 |
10 | 13378838 |
11 | 76087a0 |
12 | 4592472 |
13 | 2a05795 |
14 | 1ac3954 |
15 | 1294178 |
hex | cc2516 |
13378838 has 8 divisors (see below), whose sum is σ = 21892680. Its totient is φ = 6081280.
The previous prime is 13378837. The next prime is 13378873. The reversal of 13378838 is 83887331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 13378795 and 13378804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13378837) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304043 + ... + 304086.
It is an arithmetic number, because the mean of its divisors is an integer number (2736585).
Almost surely, 213378838 is an apocalyptic number.
13378838 is a deficient number, since it is larger than the sum of its proper divisors (8513842).
13378838 is a wasteful number, since it uses less digits than its factorization.
13378838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 608142.
The product of its digits is 96768, while the sum is 41.
The square root of 13378838 is about 3657.7093925024. The cubic root of 13378838 is about 237.3956727382.
The spelling of 13378838 in words is "thirteen million, three hundred seventy-eight thousand, eight hundred thirty-eight".
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