Base | Representation |
---|---|
bin | 10111000101100… |
… | …100101100011010 |
3 | 222222211202110022 |
4 | 113011210230122 |
5 | 1243124240421 |
6 | 102233550442 |
7 | 12412211231 |
oct | 2705445432 |
9 | 888752408 |
10 | 387336986 |
11 | 189707013 |
12 | a9875422 |
13 | 623298aa |
14 | 39629b18 |
15 | 240117ab |
hex | 17164b1a |
387336986 has 8 divisors (see below), whose sum is σ = 581708820. Its totient is φ = 193434048.
The previous prime is 387336967. The next prime is 387337009. The reversal of 387336986 is 689633783.
It can be written as a sum of positive squares in 2 ways, for example, as 387105625 + 231361 = 19675^2 + 481^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a nialpdrome in base 12.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115151 + ... + 118466.
Almost surely, 2387336986 is an apocalyptic number.
387336986 is a deficient number, since it is larger than the sum of its proper divisors (194371834).
387336986 is a wasteful number, since it uses less digits than its factorization.
387336986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234448.
The product of its digits is 3919104, while the sum is 53.
The square root of 387336986 is about 19680.8786897333. The cubic root of 387336986 is about 728.9476210279.
The spelling of 387336986 in words is "three hundred eighty-seven million, three hundred thirty-six thousand, nine hundred eighty-six".
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