Base | Representation |
---|---|
bin | 10111001111110… |
… | …100101110000101 |
3 | 1000011220021102220 |
4 | 113033310232011 |
5 | 1244321232234 |
6 | 102411322553 |
7 | 12444102261 |
oct | 2717645605 |
9 | 1004807386 |
10 | 390024069 |
11 | 190181946 |
12 | aa750459 |
13 | 62a5a996 |
14 | 39b290a1 |
15 | 24392a49 |
hex | 173f4b85 |
390024069 has 8 divisors (see below), whose sum is σ = 520477152. Its totient is φ = 259793520.
The previous prime is 390024031. The next prime is 390024071. The reversal of 390024069 is 960420093.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 390024069 - 211 = 390022021 is a prime.
It is a super-2 number, since 2×3900240692 = 304237548798633522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390024029) 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 7 ways as a sum of consecutive naturals, for example, 51499 + ... + 58584.
It is an arithmetic number, because the mean of its divisors is an integer number (65059644).
Almost surely, 2390024069 is an apocalyptic number.
It is an amenable number.
390024069 is a deficient number, since it is larger than the sum of its proper divisors (130453083).
390024069 is a wasteful number, since it uses less digits than its factorization.
390024069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111267.
The product of its (nonzero) digits is 11664, while the sum is 33.
The square root of 390024069 is about 19749.0270393253. The cubic root of 390024069 is about 730.6293871458.
It can be divided in two parts, 39002 and 4069, that added together give a triangular number (43071 = T293).
The spelling of 390024069 in words is "three hundred ninety million, twenty-four thousand, sixty-nine".
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