Base | Representation |
---|---|
bin | 10110101001110… |
… | …011000011101000 |
3 | 222111010211112011 |
4 | 112221303003220 |
5 | 1234243241114 |
6 | 101413525304 |
7 | 12263264233 |
oct | 2651630350 |
9 | 874124464 |
10 | 380055784 |
11 | 185593599 |
12 | a7343834 |
13 | 6097a6a4 |
14 | 3869241a |
15 | 235741c4 |
hex | 16a730e8 |
380055784 has 32 divisors (see below), whose sum is σ = 774316800. Its totient is φ = 174216960.
The previous prime is 380055779. The next prime is 380055787. The reversal of 380055784 is 487550083.
It is not an unprimeable number, because it can be changed into a prime (380055787) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35617 + ... + 45040.
It is an arithmetic number, because the mean of its divisors is an integer number (24197400).
Almost surely, 2380055784 is an apocalyptic number.
It is an amenable number.
380055784 is an abundant number, since it is smaller than the sum of its proper divisors (394261016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380055784 is a wasteful number, since it uses less digits than its factorization.
380055784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80713 (or 80709 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 40.
The square root of 380055784 is about 19495.0194665202. The cubic root of 380055784 is about 724.3510857888.
The spelling of 380055784 in words is "three hundred eighty million, fifty-five thousand, seven hundred eighty-four".
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