Base | Representation |
---|---|
bin | 10110111111010… |
… | …101111100001001 |
3 | 222212202202222211 |
4 | 112333111330021 |
5 | 1242220004224 |
6 | 102134545121 |
7 | 12362266360 |
oct | 2677257411 |
9 | 885682884 |
10 | 385703689 |
11 | 1887a0988 |
12 | a92081a1 |
13 | 61ba7347 |
14 | 393227d7 |
15 | 23cdc894 |
hex | 16fd5f09 |
385703689 has 8 divisors (see below), whose sum is σ = 441040320. Its totient is φ = 330426096.
The previous prime is 385703677. The next prime is 385703707. The reversal of 385703689 is 986307583.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 385703689 - 219 = 385179401 is a prime.
It is not an unprimeable number, because it can be changed into a prime (385703639) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267 + ... + 27775.
It is an arithmetic number, because the mean of its divisors is an integer number (55130040).
Almost surely, 2385703689 is an apocalyptic number.
It is an amenable number.
385703689 is a deficient number, since it is larger than the sum of its proper divisors (55336631).
385703689 is a wasteful number, since it uses less digits than its factorization.
385703689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29519.
The product of its (nonzero) digits is 1088640, while the sum is 49.
The square root of 385703689 is about 19639.3403402456. The cubic root of 385703689 is about 727.9215847844.
The spelling of 385703689 in words is "three hundred eighty-five million, seven hundred three thousand, six hundred eighty-nine".
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