Base | Representation |
---|---|
bin | 11001011110010… |
… | …00001101100110 |
3 | 112220002010020001 |
4 | 30233020031212 |
5 | 414200242443 |
6 | 33111531514 |
7 | 5203154446 |
oct | 1457101546 |
9 | 486063201 |
10 | 213680998 |
11 | aa687773 |
12 | 5b689b9a |
13 | 3536747b |
14 | 20544126 |
15 | 13b5cd4d |
hex | cbc8366 |
213680998 has 8 divisors (see below), whose sum is σ = 322292880. Its totient is φ = 106250040.
The previous prime is 213680993. The next prime is 213681029. The reversal of 213680998 is 899086312.
213680998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213680993) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294778 + ... + 295501.
It is an arithmetic number, because the mean of its divisors is an integer number (40286610).
Almost surely, 2213680998 is an apocalyptic number.
213680998 is a deficient number, since it is larger than the sum of its proper divisors (108611882).
213680998 is a wasteful number, since it uses less digits than its factorization.
213680998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 590462.
The product of its (nonzero) digits is 186624, while the sum is 46.
The square root of 213680998 is about 14617.8315081273. The cubic root of 213680998 is about 597.8450454769.
The spelling of 213680998 in words is "two hundred thirteen million, six hundred eighty thousand, nine hundred ninety-eight".
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