Base | Representation |
---|---|
bin | 1011111011010101011 |
3 | 201212010002 |
4 | 1133122223 |
5 | 100001302 |
6 | 12213215 |
7 | 3215303 |
oct | 1373253 |
9 | 655102 |
10 | 390827 |
11 | 2476a8 |
12 | 16a20b |
13 | 108b78 |
14 | a2603 |
15 | 7ac02 |
hex | 5f6ab |
390827 has 8 divisors (see below), whose sum is σ = 409200. Its totient is φ = 372960.
The previous prime is 390821. The next prime is 390829. The reversal of 390827 is 728093.
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 390827 - 26 = 390763 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 390827.
It is not an unprimeable number, because it can be changed into a prime (390821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2549 + ... + 2697.
It is an arithmetic number, because the mean of its divisors is an integer number (51150).
2390827 is an apocalyptic number.
390827 is a deficient number, since it is larger than the sum of its proper divisors (18373).
390827 is a wasteful number, since it uses less digits than its factorization.
390827 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253.
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 390827 is about 625.1615791138. The cubic root of 390827 is about 73.1130418511.
The spelling of 390827 in words is "three hundred ninety thousand, eight hundred twenty-seven".
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