Base | Representation |
---|---|
bin | 110010101100… |
… | …100011000110 |
3 | 221000012000000 |
4 | 302230203012 |
5 | 11400232140 |
6 | 1152502130 |
7 | 220650252 |
oct | 62544306 |
9 | 27005000 |
10 | 13289670 |
11 | 75577a9 |
12 | 454a946 |
13 | 29a4014 |
14 | 1a9d262 |
15 | 1277a30 |
hex | cac8c6 |
13289670 has 56 divisors (see below), whose sum is σ = 35885376. Its totient is φ = 3541968.
The previous prime is 13289663. The next prime is 13289671. The reversal of 13289670 is 7698231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13289671) 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 27 ways as a sum of consecutive naturals, for example, 6379 + ... + 8201.
Almost surely, 213289670 is an apocalyptic number.
13289670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a pronic number, being equal to 3645×3646.
It is a practical number, because each smaller number is the sum of distinct divisors of 13289670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17942688).
13289670 is an abundant number, since it is smaller than the sum of its proper divisors (22595706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13289670 is an equidigital number, since it uses as much as digits as its factorization.
13289670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1848 (or 1833 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 13289670 is about 3645.4999657112. The cubic root of 13289670 is about 236.8670942055.
The spelling of 13289670 in words is "thirteen million, two hundred eighty-nine thousand, six hundred seventy".
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