Base | Representation |
---|---|
bin | 110100001011… |
… | …100101100100 |
3 | 221201221222201 |
4 | 310023211210 |
5 | 12000211243 |
6 | 1205104244 |
7 | 224161213 |
oct | 64134544 |
9 | 27657881 |
10 | 13678948 |
11 | 77a3218 |
12 | 46b8084 |
13 | 2aac26a |
14 | 1b6107a |
15 | 130304d |
hex | d0b964 |
13678948 has 18 divisors (see below), whose sum is σ = 25431266. Its totient is φ = 6436608.
The previous prime is 13678933. The next prime is 13678949. The reversal of 13678948 is 84987631.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 9193024 + 4485924 = 3032^2 + 2118^2 .
It is a super-2 number, since 2×136789482 = 374227236773408, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13678898 and 13678907.
It is not an unprimeable number, because it can be changed into a prime (13678949) 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 5 ways as a sum of consecutive naturals, for example, 4761 + ... + 7072.
Almost surely, 213678948 is an apocalyptic number.
It is an amenable number.
13678948 is a deficient number, since it is larger than the sum of its proper divisors (11752318).
13678948 is a wasteful number, since it uses less digits than its factorization.
13678948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11871 (or 11852 counting only the distinct ones).
The product of its digits is 290304, while the sum is 46.
The square root of 13678948 is about 3698.5061849347. The cubic root of 13678948 is about 239.1576255180.
The spelling of 13678948 in words is "thirteen million, six hundred seventy-eight thousand, nine hundred forty-eight".
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