Base | Representation |
---|---|
bin | 110010001101… |
… | …011011100100 |
3 | 220202201011100 |
4 | 302031123210 |
5 | 11332142322 |
6 | 1150040100 |
7 | 216606540 |
oct | 62153344 |
9 | 26681140 |
10 | 13162212 |
11 | 747aa68 |
12 | 44a9030 |
13 | 295acbb |
14 | 1a68a20 |
15 | 124edac |
hex | c8d6e4 |
13162212 has 72 divisors (see below), whose sum is σ = 40040000. Its totient is φ = 3561408.
The previous prime is 13162211. The next prime is 13162241. The reversal of 13162212 is 21226131.
13162212 is a `hidden beast` number, since 1 + 31 + 622 + 12 = 666.
13162212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (13162211) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3414 + ... + 6162.
Almost surely, 213162212 is an apocalyptic number.
13162212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13162212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20020000).
13162212 is an abundant number, since it is smaller than the sum of its proper divisors (26877788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13162212 is a wasteful number, since it uses less digits than its factorization.
13162212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2785 (or 2780 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 13162212 is about 3627.9762954022. The cubic root of 13162212 is about 236.1074154326.
Adding to 13162212 its reverse (21226131), we get a palindrome (34388343).
The spelling of 13162212 in words is "thirteen million, one hundred sixty-two thousand, two hundred twelve".
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