Base | Representation |
---|---|
bin | 10110111110011… |
… | …111110011111000 |
3 | 222212100111212020 |
4 | 112332133303320 |
5 | 1242140410401 |
6 | 102130114440 |
7 | 12360354105 |
oct | 2676376370 |
9 | 885314766 |
10 | 385481976 |
11 | 18865a350 |
12 | a911ba20 |
13 | 61b2a459 |
14 | 392a5aac |
15 | 23c96d36 |
hex | 16f9fcf8 |
385481976 has 64 divisors (see below), whose sum is σ = 1053648000. Its totient is φ = 116553600.
The previous prime is 385481927. The next prime is 385481983. The reversal of 385481976 is 679184583.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141475 + ... + 144173.
It is an arithmetic number, because the mean of its divisors is an integer number (16463250).
Almost surely, 2385481976 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 385481976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526824000).
385481976 is an abundant number, since it is smaller than the sum of its proper divisors (668166024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385481976 is a wasteful number, since it uses less digits than its factorization.
385481976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3260 (or 3256 counting only the distinct ones).
The product of its digits is 1451520, while the sum is 51.
The square root of 385481976 is about 19633.6949146104. The cubic root of 385481976 is about 727.7820816576.
The spelling of 385481976 in words is "three hundred eighty-five million, four hundred eighty-one thousand, nine hundred seventy-six".
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