Base | Representation |
---|---|
bin | 10110100011011… |
… | …011101111110100 |
3 | 222101000001222210 |
4 | 112203123233310 |
5 | 1233331344234 |
6 | 101314053420 |
7 | 12243145251 |
oct | 2643335764 |
9 | 871001883 |
10 | 378387444 |
11 | 1846540a6 |
12 | a687a270 |
13 | 605151c6 |
14 | 3837a428 |
15 | 23344be9 |
hex | 168dbbf4 |
378387444 has 48 divisors (see below), whose sum is σ = 942746112. Its totient is φ = 117835872.
The previous prime is 378387439. The next prime is 378387509. The reversal of 378387444 is 444783873.
It is a junction number, because it is equal to n+sod(n) for n = 378387393 and 378387402.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4074 + ... + 27809.
It is an arithmetic number, because the mean of its divisors is an integer number (19640544).
Almost surely, 2378387444 is an apocalyptic number.
It is an amenable number.
378387444 is an abundant number, since it is smaller than the sum of its proper divisors (564358668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378387444 is a wasteful number, since it uses less digits than its factorization.
378387444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31956 (or 31954 counting only the distinct ones).
The product of its digits is 1806336, while the sum is 48.
The square root of 378387444 is about 19452.1835278202. The cubic root of 378387444 is about 723.2896306545.
The spelling of 378387444 in words is "three hundred seventy-eight million, three hundred eighty-seven thousand, four hundred forty-four".
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