Base | Representation |
---|---|
bin | 1011111010001101110 |
3 | 201211022212 |
4 | 1133101232 |
5 | 44442004 |
6 | 12210422 |
7 | 3213524 |
oct | 1372156 |
9 | 654285 |
10 | 390254 |
11 | 247227 |
12 | 169a12 |
13 | 108827 |
14 | a2314 |
15 | 7a96e |
hex | 5f46e |
390254 has 4 divisors (see below), whose sum is σ = 585384. Its totient is φ = 195126.
The previous prime is 390223. The next prime is 390263. The reversal of 390254 is 452093.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452093 = 47 ⋅9619.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 390254.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97562 + ... + 97565.
It is an arithmetic number, because the mean of its divisors is an integer number (146346).
2390254 is an apocalyptic number.
390254 is a deficient number, since it is larger than the sum of its proper divisors (195130).
390254 is a wasteful number, since it uses less digits than its factorization.
390254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195129.
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 390254 is about 624.7031294943. The cubic root of 390254 is about 73.0772934991.
The spelling of 390254 in words is "three hundred ninety thousand, two hundred fifty-four".
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