Base | Representation |
---|---|
bin | 10111100110100… |
… | …011001001100100 |
3 | 1000121002221101020 |
4 | 113212203021210 |
5 | 1302332401122 |
6 | 103143131140 |
7 | 12545533521 |
oct | 2746431144 |
9 | 1017087336 |
10 | 395981412 |
11 | 193580772 |
12 | b0743ab0 |
13 | 64065438 |
14 | 3a83a148 |
15 | 24b6cc5c |
hex | 179a3264 |
395981412 has 24 divisors (see below), whose sum is σ = 924825216. Its totient is φ = 131869728.
The previous prime is 395981407. The next prime is 395981447. The reversal of 395981412 is 214189593.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723 + ... + 28194.
It is an arithmetic number, because the mean of its divisors is an integer number (38534384).
Almost surely, 2395981412 is an apocalyptic number.
It is an amenable number.
395981412 is an abundant number, since it is smaller than the sum of its proper divisors (528843804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395981412 is a wasteful number, since it uses less digits than its factorization.
395981412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31027 (or 31025 counting only the distinct ones).
The product of its digits is 77760, while the sum is 42.
The square root of 395981412 is about 19899.2816955789. The cubic root of 395981412 is about 734.3305561684.
The spelling of 395981412 in words is "three hundred ninety-five million, nine hundred eighty-one thousand, four hundred twelve".
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