Base | Representation |
---|---|
bin | 10110111110010… |
… | …111001000111100 |
3 | 222212021201010211 |
4 | 112332113020330 |
5 | 1242133241320 |
6 | 102125242204 |
7 | 12360145420 |
oct | 2676271074 |
9 | 885251124 |
10 | 385446460 |
11 | 1886356a3 |
12 | a9103364 |
13 | 61b17239 |
14 | 39296b80 |
15 | 23c8b55a |
hex | 16f9723c |
385446460 has 24 divisors (see below), whose sum is σ = 925071840. Its totient is φ = 132153024.
The previous prime is 385446449. The next prime is 385446463. The reversal of 385446460 is 64644583.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385446463) 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, 1376455 + ... + 1376734.
It is an arithmetic number, because the mean of its divisors is an integer number (38544660).
Almost surely, 2385446460 is an apocalyptic number.
It is an amenable number.
385446460 is an abundant number, since it is smaller than the sum of its proper divisors (539625380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385446460 is a wasteful number, since it uses less digits than its factorization.
385446460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2753205 (or 2753203 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 40.
The square root of 385446460 is about 19632.7904282606. The cubic root of 385446460 is about 727.7597298108.
The spelling of 385446460 in words is "three hundred eighty-five million, four hundred forty-six thousand, four hundred sixty".
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