Base | Representation |
---|---|
bin | 10110101011101… |
… | …100011100110100 |
3 | 222112002002121000 |
4 | 112223230130310 |
5 | 1234410144022 |
6 | 101432323300 |
7 | 12300435000 |
oct | 2653543464 |
9 | 875062530 |
10 | 380553012 |
11 | 1858a3124 |
12 | a7543530 |
13 | 60ac2ac8 |
14 | 38781700 |
15 | 236216ac |
hex | 16aec734 |
380553012 has 96 divisors (see below), whose sum is σ = 1150688000. Its totient is φ = 108718848.
The previous prime is 380553011. The next prime is 380553023. The reversal of 380553012 is 210355083.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380553011) 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, 31908 + ... + 42180.
Almost surely, 2380553012 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 380553012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575344000).
380553012 is an abundant number, since it is smaller than the sum of its proper divisors (770134988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380553012 is a wasteful number, since it uses less digits than its factorization.
380553012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10307 (or 10285 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 380553012 is about 19507.7679912388. The cubic root of 380553012 is about 724.6668382840. Note that the first 3 decimals are identical.
The spelling of 380553012 in words is "three hundred eighty million, five hundred fifty-three thousand, twelve".
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