Base | Representation |
---|---|
bin | 101110100101… |
… | …000110011100 |
3 | 211222100210000 |
4 | 232211012130 |
5 | 11111214323 |
6 | 1113414300 |
7 | 205534245 |
oct | 56450634 |
9 | 24870700 |
10 | 12210588 |
11 | 698aaa5 |
12 | 410a390 |
13 | 26b6b00 |
14 | 189bccc |
15 | 1112e43 |
hex | ba519c |
12210588 has 90 divisors (see below), whose sum is σ = 34720224. Its totient is φ = 3740256.
The previous prime is 12210577. The next prime is 12210589. The reversal of 12210588 is 88501221.
12210588 is digitally balanced in base 2, because in such base 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 (27).
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12210589) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 54645 + ... + 54867.
It is a vampire number, since it can be written as 1521 ⋅ 8028 (with its own digits).
Almost surely, 212210588 is an apocalyptic number.
12210588 is a gapful number since it is divisible by the number (18) 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 12210588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17360112).
12210588 is an abundant number, since it is smaller than the sum of its proper divisors (22509636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210588 is a wasteful number, since it uses less digits than its factorization.
12210588 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 265 (or 241 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 27.
The square root of 12210588 is about 3494.3651783979. The cubic root of 12210588 is about 230.2743292523.
The spelling of 12210588 in words is "twelve million, two hundred ten thousand, five hundred eighty-eight".
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