Base | Representation |
---|---|
bin | 110010011010… |
… | …001100000010 |
3 | 220212100211200 |
4 | 302122030002 |
5 | 11340330331 |
6 | 1151122030 |
7 | 220215066 |
oct | 62321402 |
9 | 26770750 |
10 | 13214466 |
11 | 7506251 |
12 | 4513316 |
13 | 2978a15 |
14 | 1a7daa6 |
15 | 12605e6 |
hex | c9a302 |
13214466 has 48 divisors (see below), whose sum is σ = 30438720. Its totient is φ = 4134240.
The previous prime is 13214447. The next prime is 13214471. The reversal of 13214466 is 66441231.
It is a super-2 number, since 2×132144662 = 349244223330312, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24156 + ... + 24696.
It is an arithmetic number, because the mean of its divisors is an integer number (634140).
Almost surely, 213214466 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13214466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15219360).
13214466 is an abundant number, since it is smaller than the sum of its proper divisors (17224254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13214466 is a wasteful number, since it uses less digits than its factorization.
13214466 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 631 (or 628 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
The square root of 13214466 is about 3635.1706975051. The cubic root of 13214466 is about 236.4194517908.
Adding to 13214466 its reverse (66441231), we get a palindrome (79655697).
The spelling of 13214466 in words is "thirteen million, two hundred fourteen thousand, four hundred sixty-six".
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