Base | Representation |
---|---|
bin | 10110111111001… |
… | …101101110011101 |
3 | 222212201001211202 |
4 | 112333031232131 |
5 | 1242212420140 |
6 | 102134125245 |
7 | 12362066315 |
oct | 2677155635 |
9 | 885631752 |
10 | 385670045 |
11 | 188778682 |
12 | a91b0825 |
13 | 61b94c37 |
14 | 39314445 |
15 | 23cd2915 |
hex | 16fcdb9d |
385670045 has 8 divisors (see below), whose sum is σ = 462967224. Its totient is φ = 308427264.
The previous prime is 385670011. The next prime is 385670057. The reversal of 385670045 is 540076583.
It can be written as a sum of positive squares in 4 ways, for example, as 95785369 + 289884676 = 9787^2 + 17026^2 .
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 385670045 - 28 = 385669789 is a prime.
It is a super-3 number, since 3×3856700453 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 385669990 and 385670008.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4097 + ... + 28073.
It is an arithmetic number, because the mean of its divisors is an integer number (57870903).
Almost surely, 2385670045 is an apocalyptic number.
It is an amenable number.
385670045 is a deficient number, since it is larger than the sum of its proper divisors (77297179).
385670045 is a wasteful number, since it uses less digits than its factorization.
385670045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27199.
The product of its (nonzero) digits is 100800, while the sum is 38.
The square root of 385670045 is about 19638.4837754853. The cubic root of 385670045 is about 727.9004192225.
The spelling of 385670045 in words is "three hundred eighty-five million, six hundred seventy thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •