Base | Representation |
---|---|
bin | 110011011101… |
… | …011011010100 |
3 | 221101100122001 |
4 | 303131123110 |
5 | 11423134001 |
6 | 1201045044 |
7 | 222443041 |
oct | 63353324 |
9 | 27340561 |
10 | 13489876 |
11 | 7684164 |
12 | 4626784 |
13 | 2a4419a |
14 | 1b121c8 |
15 | 12b7001 |
hex | cdd6d4 |
13489876 has 12 divisors (see below), whose sum is σ = 23636340. Its totient is φ = 6736640.
The previous prime is 13489873. The next prime is 13489909. The reversal of 13489876 is 67898431.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 6625476 + 6864400 = 2574^2 + 2620^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13489873) 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, 2916 + ... + 5956.
It is an arithmetic number, because the mean of its divisors is an integer number (1969695).
Almost surely, 213489876 is an apocalyptic number.
It is an amenable number.
13489876 is a deficient number, since it is larger than the sum of its proper divisors (10146464).
13489876 is a wasteful number, since it uses less digits than its factorization.
13489876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4154 (or 4152 counting only the distinct ones).
The product of its digits is 290304, while the sum is 46.
The square root of 13489876 is about 3672.8566538867. The cubic root of 13489876 is about 238.0506212499.
It can be divided in two parts, 13489 and 876, that added together give a triangular number (14365 = T169).
The spelling of 13489876 in words is "thirteen million, four hundred eighty-nine thousand, eight hundred seventy-six".
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