Base | Representation |
---|---|
bin | 10110101101011… |
… | …010101001010000 |
3 | 222112221000201220 |
4 | 112231122221100 |
5 | 1240014114433 |
6 | 101450125040 |
7 | 12304324623 |
oct | 2655325120 |
9 | 875830656 |
10 | 381004368 |
11 | 186081248 |
12 | a7720780 |
13 | 60c20394 |
14 | 3885bdba |
15 | 236b02b3 |
hex | 16b5aa50 |
381004368 has 20 divisors (see below), whose sum is σ = 984261408. Its totient is φ = 127001440.
The previous prime is 381004367. The next prime is 381004369. The reversal of 381004368 is 863400183.
It is an interprime number because it is at equal distance from previous prime (381004367) and next prime (381004369).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381004363) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968748 + ... + 3968843.
Almost surely, 2381004368 is an apocalyptic number.
It is an amenable number.
381004368 is an abundant number, since it is smaller than the sum of its proper divisors (603257040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381004368 is a wasteful number, since it uses less digits than its factorization.
381004368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7937602 (or 7937596 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 381004368 is about 19519.3331853319. Note that the first 3 decimals coincide. The cubic root of 381004368 is about 724.9532228242.
The spelling of 381004368 in words is "three hundred eighty-one million, four thousand, three hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •