Base | Representation |
---|---|
bin | 11010010000010… |
… | …01001000111011 |
3 | 120100102021021121 |
4 | 31020021020323 |
5 | 422340112040 |
6 | 33504250111 |
7 | 5312665306 |
oct | 1510111073 |
9 | 510367247 |
10 | 220238395 |
11 | 103356403 |
12 | 61910937 |
13 | 368220a0 |
14 | 2136db3d |
15 | 14505c4a |
hex | d20923b |
220238395 has 16 divisors (see below), whose sum is σ = 285187392. Its totient is φ = 162311040.
The previous prime is 220238377. The next prime is 220238401. The reversal of 220238395 is 593832022.
It is not a de Polignac number, because 220238395 - 29 = 220237883 is a prime.
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 220238395.
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, 32034 + ... + 38296.
It is an arithmetic number, because the mean of its divisors is an integer number (17824212).
Almost surely, 2220238395 is an apocalyptic number.
220238395 is a deficient number, since it is larger than the sum of its proper divisors (64948997).
220238395 is a wasteful number, since it uses less digits than its factorization.
220238395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6822.
The product of its (nonzero) digits is 25920, while the sum is 34.
The square root of 220238395 is about 14840.4310921213. The cubic root of 220238395 is about 603.8990473135.
The spelling of 220238395 in words is "two hundred twenty million, two hundred thirty-eight thousand, three hundred ninety-five".
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