Base | Representation |
---|---|
bin | 1011111001110001011 |
3 | 201211000110 |
4 | 1133032023 |
5 | 44440102 |
6 | 12205403 |
7 | 3213051 |
oct | 1371613 |
9 | 654013 |
10 | 390027 |
11 | 247040 |
12 | 169863 |
13 | 1086b1 |
14 | a21d1 |
15 | 7a86c |
hex | 5f38b |
390027 has 16 divisors (see below), whose sum is σ = 580608. Its totient is φ = 230880.
The previous prime is 390001. The next prime is 390043. The reversal of 390027 is 720093.
It is not a de Polignac number, because 390027 - 210 = 389003 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 389985 and 390012.
It is not an unprimeable number, because it can be changed into a prime (390067) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638 + ... + 1860.
It is an arithmetic number, because the mean of its divisors is an integer number (36288).
2390027 is an apocalyptic number.
390027 is a deficient number, since it is larger than the sum of its proper divisors (190581).
390027 is a wasteful number, since it uses less digits than its factorization.
390027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290.
The product of its (nonzero) digits is 378, while the sum is 21.
The square root of 390027 is about 624.5214167665. The cubic root of 390027 is about 73.0631217349.
Multiplying 390027 by its product of nonzero digits (378), we get a triangular number (147430206 = T17171).
The spelling of 390027 in words is "three hundred ninety thousand, twenty-seven".
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