Base | Representation |
---|---|
bin | 10110101010100… |
… | …000001010111000 |
3 | 222111111020000000 |
4 | 112222200022320 |
5 | 1234320144233 |
6 | 101421513000 |
7 | 12264664041 |
oct | 2652401270 |
9 | 874436000 |
10 | 380240568 |
11 | 1856aa404 |
12 | a7412760 |
13 | 60a13826 |
14 | 386dd8c8 |
15 | 235add13 |
hex | 16aa02b8 |
380240568 has 128 divisors (see below), whose sum is σ = 1084761600. Its totient is φ = 124921440.
The previous prime is 380240563. The next prime is 380240579. The reversal of 380240568 is 865042083.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380240561) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1801983 + ... + 1802193.
It is an arithmetic number, because the mean of its divisors is an integer number (8474700).
Almost surely, 2380240568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 380240568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542380800).
380240568 is an abundant number, since it is smaller than the sum of its proper divisors (704521032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380240568 is a wasteful number, since it uses less digits than its factorization.
380240568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 341 (or 319 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 380240568 is about 19499.7581523464. The cubic root of 380240568 is about 724.4684604919.
The spelling of 380240568 in words is "three hundred eighty million, two hundred forty thousand, five hundred sixty-eight".
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