Base | Representation |
---|---|
bin | 10110101100011… |
… | …010110110010000 |
3 | 222112102202021200 |
4 | 112230122312100 |
5 | 1234432234211 |
6 | 101440351200 |
7 | 12302156031 |
oct | 2654326620 |
9 | 875382250 |
10 | 380743056 |
11 | 185a12991 |
12 | a7615500 |
13 | 60b5b465 |
14 | 387d0a88 |
15 | 2365cb56 |
hex | 16b1ad90 |
380743056 has 60 divisors (see below), whose sum is σ = 1091557740. Its totient is φ = 123816960.
The previous prime is 380743031. The next prime is 380743057. The reversal of 380743056 is 650347083.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 108493056 + 272250000 = 10416^2 + 16500^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 380743056.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380743057) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26341 + ... + 38148.
It is an arithmetic number, because the mean of its divisors is an integer number (18192629).
Almost surely, 2380743056 is an apocalyptic number.
380743056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
380743056 is an abundant number, since it is smaller than the sum of its proper divisors (710814684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380743056 is a wasteful number, since it uses less digits than its factorization.
380743056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64544 (or 64535 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 380743056 is about 19512.6383659412. The cubic root of 380743056 is about 724.7874484326.
The spelling of 380743056 in words is "three hundred eighty million, seven hundred forty-three thousand, fifty-six".
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