Base | Representation |
---|---|
bin | 10110101011010… |
… | …100101101101000 |
3 | 222111220011012222 |
4 | 112223110231220 |
5 | 1234344041114 |
6 | 101430253212 |
7 | 12266551352 |
oct | 2653245550 |
9 | 874804188 |
10 | 380455784 |
11 | 185837075 |
12 | a74b7208 |
13 | 60a8a787 |
14 | 387580d2 |
15 | 2360298e |
hex | 16ad4b68 |
380455784 has 48 divisors (see below), whose sum is σ = 767745600. Its totient is φ = 176686848.
The previous prime is 380455763. The next prime is 380455799. The reversal of 380455784 is 487554083.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181607 + ... + 183689.
It is an arithmetic number, because the mean of its divisors is an integer number (15994700).
Almost surely, 2380455784 is an apocalyptic number.
380455784 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
380455784 is an abundant number, since it is smaller than the sum of its proper divisors (387289816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380455784 is a wasteful number, since it uses less digits than its factorization.
380455784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2202 (or 2181 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 44.
The square root of 380455784 is about 19505.2757991268. The cubic root of 380455784 is about 724.6051176595.
The spelling of 380455784 in words is "three hundred eighty million, four hundred fifty-five thousand, seven hundred eighty-four".
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