Base | Representation |
---|---|
bin | 10110100011000… |
… | …110100101101100 |
3 | 222100211200010000 |
4 | 112203012211230 |
5 | 1233321111110 |
6 | 101312144300 |
7 | 12242334504 |
oct | 2643064554 |
9 | 870750100 |
10 | 378300780 |
11 | 1845a4a80 |
12 | a6838090 |
13 | 604b4920 |
14 | 38356a04 |
15 | 233291c0 |
hex | 168c696c |
378300780 has 480 divisors, whose sum is σ = 1475324928. Its totient is φ = 79833600.
The previous prime is 378300739. The next prime is 378300817. The reversal of 378300780 is 87003873.
It is a super-2 number, since 2×3783007802 = 286222960297216800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5328145 + ... + 5328215.
Almost surely, 2378300780 is an apocalyptic number.
378300780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 378300780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737662464).
378300780 is an abundant number, since it is smaller than the sum of its proper divisors (1097024148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378300780 is a wasteful number, since it uses less digits than its factorization.
378300780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139 (or 128 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 378300780 is about 19449.9557840114. The cubic root of 378300780 is about 723.2344068711.
The spelling of 378300780 in words is "three hundred seventy-eight million, three hundred thousand, seven hundred eighty".
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