Base | Representation |
---|---|
bin | 10111000101010… |
… | …101110100100001 |
3 | 222222201122212222 |
4 | 113011111310201 |
5 | 1243120313230 |
6 | 102232400425 |
7 | 12411535511 |
oct | 2705256441 |
9 | 888648788 |
10 | 387276065 |
11 | 189675270 |
12 | a9846115 |
13 | 62307c47 |
14 | 39611841 |
15 | 23eed6e5 |
hex | 17155d21 |
387276065 has 16 divisors (see below), whose sum is σ = 536803200. Its totient is φ = 265086720.
The previous prime is 387276061. The next prime is 387276079. The reversal of 387276065 is 560672783.
It is not a de Polignac number, because 387276065 - 22 = 387276061 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (387276061) 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, 206165 + ... + 208034.
It is an arithmetic number, because the mean of its divisors is an integer number (33550200).
Almost surely, 2387276065 is an apocalyptic number.
It is an amenable number.
387276065 is a deficient number, since it is larger than the sum of its proper divisors (149527135).
387276065 is a wasteful number, since it uses less digits than its factorization.
387276065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 414232.
The product of its (nonzero) digits is 423360, while the sum is 44.
The square root of 387276065 is about 19679.3309083414. The cubic root of 387276065 is about 728.9094023294.
The spelling of 387276065 in words is "three hundred eighty-seven million, two hundred seventy-six thousand, sixty-five".
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