Base | Representation |
---|---|
bin | 10110110000011… |
… | …011000110101100 |
3 | 222121102002002210 |
4 | 112300123012230 |
5 | 1240214331214 |
6 | 101515050420 |
7 | 12314120130 |
oct | 2660330654 |
9 | 877362083 |
10 | 381792684 |
11 | 18656a549 |
12 | a7a40a10 |
13 | 61138140 |
14 | 389c53c0 |
15 | 237b8b59 |
hex | 16c1b1ac |
381792684 has 96 divisors (see below), whose sum is σ = 1102291456. Its totient is φ = 100154880.
The previous prime is 381792673. The next prime is 381792721. The reversal of 381792684 is 486297183.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229584 + ... + 231240.
Almost surely, 2381792684 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 381792684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551145728).
381792684 is an abundant number, since it is smaller than the sum of its proper divisors (720498772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381792684 is a wasteful number, since it uses less digits than its factorization.
381792684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1895 (or 1893 counting only the distinct ones).
The product of its digits is 580608, while the sum is 48.
The square root of 381792684 is about 19539.5159612514. The cubic root of 381792684 is about 725.4528658529.
The spelling of 381792684 in words is "three hundred eighty-one million, seven hundred ninety-two thousand, six hundred eighty-four".
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