Base | Representation |
---|---|
bin | 10111010000100… |
… | …101010111101101 |
3 | 1000012021101210100 |
4 | 113100211113231 |
5 | 1244344121331 |
6 | 102415501313 |
7 | 12445562244 |
oct | 2720452755 |
9 | 1005241710 |
10 | 390223341 |
11 | 1902a8632 |
12 | aa827839 |
13 | 62aca5b1 |
14 | 39b7b95b |
15 | 243d1ae6 |
hex | 174255ed |
390223341 has 6 divisors (see below), whose sum is σ = 563655950. Its totient is φ = 260148888.
The previous prime is 390223331. The next prime is 390223429. The reversal of 390223341 is 143322093.
It is a happy number.
390223341 is a `hidden beast` number, since 390 + 2 + 233 + 41 = 666.
It can be written as a sum of positive squares in only one way, i.e., 359254116 + 30969225 = 18954^2 + 5565^2 .
It is not a de Polignac number, because 390223341 - 26 = 390223277 is a prime.
It is a super-2 number, since 2×3902233412 = 304548511722404562, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390223331) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21679066 + ... + 21679083.
Almost surely, 2390223341 is an apocalyptic number.
It is an amenable number.
390223341 is a deficient number, since it is larger than the sum of its proper divisors (173432609).
390223341 is a wasteful number, since it uses less digits than its factorization.
390223341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43358155 (or 43358152 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 390223341 is about 19754.0715043760. The cubic root of 390223341 is about 730.7537975793.
The spelling of 390223341 in words is "three hundred ninety million, two hundred twenty-three thousand, three hundred forty-one".
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