Base | Representation |
---|---|
bin | 10110111110010… |
… | …111010110100111 |
3 | 222212021202100020 |
4 | 112332113112213 |
5 | 1242133303320 |
6 | 102125250223 |
7 | 12360151110 |
oct | 2676272647 |
9 | 885252306 |
10 | 385447335 |
11 | 188636319 |
12 | a9103973 |
13 | 61b17760 |
14 | 39297207 |
15 | 23c8b940 |
hex | 16f975a7 |
385447335 has 64 divisors (see below), whose sum is σ = 783605760. Its totient is φ = 157386240.
The previous prime is 385447331. The next prime is 385447369. The reversal of 385447335 is 533744583.
It is not a de Polignac number, because 385447335 - 22 = 385447331 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385447331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37761 + ... + 46869.
It is an arithmetic number, because the mean of its divisors is an integer number (12243840).
Almost surely, 2385447335 is an apocalyptic number.
385447335 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
385447335 is an abundant number, since it is smaller than the sum of its proper divisors (398158425).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385447335 is a wasteful number, since it uses less digits than its factorization.
385447335 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9168.
The product of its digits is 604800, while the sum is 42.
The square root of 385447335 is about 19632.8127123955. The cubic root of 385447335 is about 727.7602805049.
The spelling of 385447335 in words is "three hundred eighty-five million, four hundred forty-seven thousand, three hundred thirty-five".
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