Base | Representation |
---|---|
bin | 10111001100000… |
… | …010100001100001 |
3 | 1000010000212121211 |
4 | 113030002201201 |
5 | 1244043011113 |
6 | 102334150121 |
7 | 12432501115 |
oct | 2714024141 |
9 | 1003025554 |
10 | 389032033 |
11 | 18a664585 |
12 | aa352341 |
13 | 627a1290 |
14 | 3994b745 |
15 | 24248b3d |
hex | 17302861 |
389032033 has 4 divisors (see below), whose sum is σ = 418957588. Its totient is φ = 359106480.
The previous prime is 389032003. The next prime is 389032037. The reversal of 389032033 is 330230983.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 146700544 + 242331489 = 12112^2 + 15567^2 .
It is a cyclic number.
It is not a de Polignac number, because 389032033 - 29 = 389031521 is a prime.
It is a super-2 number, since 2×3890320332 = 302691845400226178, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 389031986 and 389032004.
It is not an unprimeable number, because it can be changed into a prime (389032037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14962758 + ... + 14962783.
It is an arithmetic number, because the mean of its divisors is an integer number (104739397).
Almost surely, 2389032033 is an apocalyptic number.
It is an amenable number.
389032033 is a deficient number, since it is larger than the sum of its proper divisors (29925555).
389032033 is a wasteful number, since it uses less digits than its factorization.
389032033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29925554.
The product of its (nonzero) digits is 11664, while the sum is 31.
The square root of 389032033 is about 19723.8949753846. The cubic root of 389032033 is about 730.0094031440.
The spelling of 389032033 in words is "three hundred eighty-nine million, thirty-two thousand, thirty-three".
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