Base | Representation |
---|---|
bin | 1000001110011110… |
… | …1101011011111101 |
3 | 12200220011110020220 |
4 | 2003213231123331 |
5 | 14010301200041 |
6 | 1003041531553 |
7 | 105502413552 |
oct | 20347553375 |
9 | 5626143226 |
10 | 2208225021 |
11 | a33538162 |
12 | 517643bb9 |
13 | 292651332 |
14 | 16d3bca29 |
15 | cdce3d66 |
hex | 839ed6fd |
2208225021 has 8 divisors (see below), whose sum is σ = 2944754400. Its totient is φ = 1471922832.
The previous prime is 2208224999. The next prime is 2208225119. The reversal of 2208225021 is 1205228022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2208225021 - 25 = 2208224989 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2208224982 and 2208225000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2208225121) 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, 32650 + ... + 74043.
It is an arithmetic number, because the mean of its divisors is an integer number (368094300).
Almost surely, 22208225021 is an apocalyptic number.
It is an amenable number.
2208225021 is a deficient number, since it is larger than the sum of its proper divisors (736529379).
2208225021 is a wasteful number, since it uses less digits than its factorization.
2208225021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113595.
The product of its (nonzero) digits is 1280, while the sum is 24.
The square root of 2208225021 is about 46991.7548193297. The cubic root of 2208225021 is about 1302.2102481135.
The spelling of 2208225021 in words is "two billion, two hundred eight million, two hundred twenty-five thousand, twenty-one".
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