Base | Representation |
---|---|
bin | 10110100011100… |
… | …101101111111100 |
3 | 222101002011012010 |
4 | 112203211233330 |
5 | 1233334202122 |
6 | 101315011220 |
7 | 12243405555 |
oct | 2643455774 |
9 | 871064163 |
10 | 378428412 |
11 | 18468195a |
12 | a6899b10 |
13 | 6052aa4b |
14 | 3838b32c |
15 | 23351e0c |
hex | 168e5bfc |
378428412 has 48 divisors (see below), whose sum is σ = 897271200. Its totient is φ = 124121088.
The previous prime is 378428411. The next prime is 378428429. The reversal of 378428412 is 214824873.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378428411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201108 + ... + 202980.
It is an arithmetic number, because the mean of its divisors is an integer number (18693150).
Almost surely, 2378428412 is an apocalyptic number.
It is an amenable number.
378428412 is an abundant number, since it is smaller than the sum of its proper divisors (518842788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378428412 is a wasteful number, since it uses less digits than its factorization.
378428412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2142 (or 2140 counting only the distinct ones).
The product of its digits is 86016, while the sum is 39.
The square root of 378428412 is about 19453.2365430537. The cubic root of 378428412 is about 723.3157332298.
The spelling of 378428412 in words is "three hundred seventy-eight million, four hundred twenty-eight thousand, four hundred twelve".
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