Base | Representation |
---|---|
bin | 10110110000010… |
… | …011111000001101 |
3 | 222121100120111112 |
4 | 112300103320031 |
5 | 1240212404320 |
6 | 101514301405 |
7 | 12313634624 |
oct | 2660237015 |
9 | 877316445 |
10 | 381763085 |
11 | 18654a290 |
12 | a7a27865 |
13 | 61127822 |
14 | 389b86bb |
15 | 237aeec5 |
hex | 16c13e0d |
381763085 has 16 divisors (see below), whose sum is σ = 521493120. Its totient is φ = 265573440.
The previous prime is 381763061. The next prime is 381763087. The reversal of 381763085 is 580367183.
It is not a de Polignac number, because 381763085 - 212 = 381758989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381763087) 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, 149630 + ... + 152159.
It is an arithmetic number, because the mean of its divisors is an integer number (32593320).
Almost surely, 2381763085 is an apocalyptic number.
It is an amenable number.
381763085 is a deficient number, since it is larger than the sum of its proper divisors (139730035).
381763085 is a wasteful number, since it uses less digits than its factorization.
381763085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301828.
The product of its (nonzero) digits is 120960, while the sum is 41.
The square root of 381763085 is about 19538.7585327216. The cubic root of 381763085 is about 725.4341181266.
The spelling of 381763085 in words is "three hundred eighty-one million, seven hundred sixty-three thousand, eighty-five".
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