Base | Representation |
---|---|
bin | 1000010100010101… |
… | …0101111010101101 |
3 | 12202121100110221101 |
4 | 2011011111322231 |
5 | 14033042121341 |
6 | 1005320003101 |
7 | 106221143113 |
oct | 20505257255 |
9 | 5677313841 |
10 | 2232770221 |
11 | a46382350 |
12 | 523900491 |
13 | 297766516 |
14 | 17276bab3 |
15 | d1041831 |
hex | 85155ead |
2232770221 has 8 divisors (see below), whose sum is σ = 2440597824. Its totient is φ = 2025750720.
The previous prime is 2232770213. The next prime is 2232770261. The reversal of 2232770221 is 1220772322.
2232770221 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 cyclic number.
It is not a de Polignac number, because 2232770221 - 23 = 2232770213 is a prime.
It is a super-3 number, since 3×22327702213 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2232770221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2232770201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196236 + ... + 207301.
It is an arithmetic number, because the mean of its divisors is an integer number (305074728).
Almost surely, 22232770221 is an apocalyptic number.
It is an amenable number.
2232770221 is a deficient number, since it is larger than the sum of its proper divisors (207827603).
2232770221 is a wasteful number, since it uses less digits than its factorization.
2232770221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 404051.
The product of its (nonzero) digits is 4704, while the sum is 28.
The square root of 2232770221 is about 47252.1980546937. The cubic root of 2232770221 is about 1307.0173231622.
The spelling of 2232770221 in words is "two billion, two hundred thirty-two million, seven hundred seventy thousand, two hundred twenty-one".
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