Base | Representation |
---|---|
bin | 101001010010011… |
… | …1111110110100001 |
3 | 10120112221011021021 |
4 | 1102210333312201 |
5 | 10314132233213 |
6 | 345250325441 |
7 | 46221651532 |
oct | 12244776641 |
9 | 3515834237 |
10 | 1385430433 |
11 | 651048432 |
12 | 327b89881 |
13 | 19104a02a |
14 | d1ddc689 |
15 | 81967d8d |
hex | 5293fda1 |
1385430433 has 8 divisors (see below), whose sum is σ = 1401656256. Its totient is φ = 1369254000.
The previous prime is 1385430413. The next prime is 1385430437. The reversal of 1385430433 is 3340345831.
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 1385430433 - 29 = 1385429921 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1385430437) 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, 45660 + ... + 69682.
It is an arithmetic number, because the mean of its divisors is an integer number (175207032).
Almost surely, 21385430433 is an apocalyptic number.
It is an amenable number.
1385430433 is a deficient number, since it is larger than the sum of its proper divisors (16225823).
1385430433 is a wasteful number, since it uses less digits than its factorization.
1385430433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24695.
The product of its (nonzero) digits is 51840, while the sum is 34.
The square root of 1385430433 is about 37221.3706491311. The cubic root of 1385430433 is about 1114.7947319987.
The spelling of 1385430433 in words is "one billion, three hundred eighty-five million, four hundred thirty thousand, four hundred thirty-three".
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