Base | Representation |
---|---|
bin | 10110100101001… |
… | …000110000111100 |
3 | 222101211202112011 |
4 | 112211020300330 |
5 | 1233440141410 |
6 | 101331421004 |
7 | 12250015150 |
oct | 2645106074 |
9 | 871752464 |
10 | 378833980 |
11 | 184929638 |
12 | a6a54764 |
13 | 60640525 |
14 | 38455060 |
15 | 233d218a |
hex | 16948c3c |
378833980 has 24 divisors (see below), whose sum is σ = 909201888. Its totient is φ = 129885888.
The previous prime is 378833971. The next prime is 378834007. The reversal of 378833980 is 89338873.
It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352839 + ... + 1353118.
It is an arithmetic number, because the mean of its divisors is an integer number (37883412).
Almost surely, 2378833980 is an apocalyptic number.
It is an amenable number.
378833980 is an abundant number, since it is smaller than the sum of its proper divisors (530367908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378833980 is a wasteful number, since it uses less digits than its factorization.
378833980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2705973 (or 2705971 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 49.
The square root of 378833980 is about 19463.6579295876. The cubic root of 378833980 is about 723.5740374612.
The spelling of 378833980 in words is "three hundred seventy-eight million, eight hundred thirty-three thousand, nine hundred eighty".
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