Base | Representation |
---|---|
bin | 10111010001000… |
… | …111101011101011 |
3 | 1000012112112120121 |
4 | 113101013223223 |
5 | 1244413121013 |
6 | 102422504111 |
7 | 12450016060 |
oct | 2721075353 |
9 | 1005475517 |
10 | 390363883 |
11 | 190394188 |
12 | aa895037 |
13 | 62b49560 |
14 | 39bb6c67 |
15 | 2440d58d |
hex | 17447aeb |
390363883 has 16 divisors (see below), whose sum is σ = 488597760. Its totient is φ = 303620256.
The previous prime is 390363881. The next prime is 390363901. The reversal of 390363883 is 388363093.
It is a cyclic number.
It is not a de Polignac number, because 390363883 - 21 = 390363881 is a prime.
It is a super-2 number, since 2×3903638832 = 304767922301675378, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (390363881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30985 + ... + 41722.
It is an arithmetic number, because the mean of its divisors is an integer number (30537360).
Almost surely, 2390363883 is an apocalyptic number.
390363883 is a deficient number, since it is larger than the sum of its proper divisors (98233877).
390363883 is a wasteful number, since it uses less digits than its factorization.
390363883 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72786.
The product of its (nonzero) digits is 279936, while the sum is 43.
The square root of 390363883 is about 19757.6284761102. The cubic root of 390363883 is about 730.8415159552.
The spelling of 390363883 in words is "three hundred ninety million, three hundred sixty-three thousand, eight hundred eighty-three".
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