Base | Representation |
---|---|
bin | 11010010100111… |
… | …11100001111100 |
3 | 120101120120021110 |
4 | 31022133201330 |
5 | 423014320041 |
6 | 33525402020 |
7 | 5321142240 |
oct | 1512374174 |
9 | 511516243 |
10 | 220854396 |
11 | 1037371a4 |
12 | 61b69310 |
13 | 369a9599 |
14 | 21490420 |
15 | 145c8516 |
hex | d29f87c |
220854396 has 48 divisors (see below), whose sum is σ = 590720256. Its totient is φ = 62911104.
The previous prime is 220854391. The next prime is 220854427. The reversal of 220854396 is 693458022.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220854391) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25360 + ... + 32936.
It is an arithmetic number, because the mean of its divisors is an integer number (12306672).
Almost surely, 2220854396 is an apocalyptic number.
It is an amenable number.
220854396 is an abundant number, since it is smaller than the sum of its proper divisors (369865860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220854396 is a wasteful number, since it uses less digits than its factorization.
220854396 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7938 (or 7936 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 39.
The square root of 220854396 is about 14861.1707479593. The cubic root of 220854396 is about 604.4615531199.
The spelling of 220854396 in words is "two hundred twenty million, eight hundred fifty-four thousand, three hundred ninety-six".
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