Base | Representation |
---|---|
bin | 10110101010111… |
… | …001010001000110 |
3 | 222111200110000100 |
4 | 112222321101012 |
5 | 1234331441431 |
6 | 101424024530 |
7 | 12265602534 |
oct | 2652712106 |
9 | 874613010 |
10 | 380343366 |
11 | 18576a667 |
12 | a7462146 |
13 | 60a4b560 |
14 | 38729154 |
15 | 235ce4e6 |
hex | 16ab9446 |
380343366 has 48 divisors (see below), whose sum is σ = 889171920. Its totient is φ = 116804160.
The previous prime is 380343361. The next prime is 380343391. The reversal of 380343366 is 663343083.
It is a happy number.
It is a super-2 number, since 2×3803433662 = 289322152120419912, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 380343366.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380343361) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153445 + ... + 155903.
It is an arithmetic number, because the mean of its divisors is an integer number (18524415).
Almost surely, 2380343366 is an apocalyptic number.
380343366 is an abundant number, since it is smaller than the sum of its proper divisors (508828554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380343366 is a wasteful number, since it uses less digits than its factorization.
380343366 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3141 (or 3138 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 36.
The square root of 380343366 is about 19502.3938530633. The cubic root of 380343366 is about 724.5337412683.
The spelling of 380343366 in words is "three hundred eighty million, three hundred forty-three thousand, three hundred sixty-six".
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