Base | Representation |
---|---|
bin | 11001011111011… |
… | …10001010101100 |
3 | 112220101000110220 |
4 | 30233232022230 |
5 | 414220231320 |
6 | 33115131340 |
7 | 5204402625 |
oct | 1457561254 |
9 | 486330426 |
10 | 213836460 |
11 | aa783552 |
12 | 5b743b50 |
13 | 353c0166 |
14 | 20584a4c |
15 | 13b8de40 |
hex | cbee2ac |
213836460 has 48 divisors (see below), whose sum is σ = 599488512. Its totient is φ = 56952000.
The previous prime is 213836437. The next prime is 213836501. The reversal of 213836460 is 64638312.
It is a super-3 number, since 3×2138364603 (a number of 26 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61365 + ... + 64755.
It is an arithmetic number, because the mean of its divisors is an integer number (12489344).
Almost surely, 2213836460 is an apocalyptic number.
213836460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213836460 is an abundant number, since it is smaller than the sum of its proper divisors (385652052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213836460 is a wasteful number, since it uses less digits than its factorization.
213836460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4454 (or 4452 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 33.
The square root of 213836460 is about 14623.1480878777. The cubic root of 213836460 is about 597.9899962160.
The spelling of 213836460 in words is "two hundred thirteen million, eight hundred thirty-six thousand, four hundred sixty".
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