Base | Representation |
---|---|
bin | 10111000111111… |
… | …000011001011000 |
3 | 1000000222111100100 |
4 | 113013320121120 |
5 | 1243303120401 |
6 | 102254535400 |
7 | 12420311112 |
oct | 2707703130 |
9 | 1000874310 |
10 | 387941976 |
11 | 189a8a604 |
12 | a9b07560 |
13 | 624ac086 |
14 | 397463b2 |
15 | 240d0b86 |
hex | 171f8658 |
387941976 has 48 divisors (see below), whose sum is σ = 1057399200. Its totient is φ = 128486592.
The previous prime is 387941969. The next prime is 387941977. The reversal of 387941976 is 679149783.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387941977) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5856 + ... + 28463.
It is an arithmetic number, because the mean of its divisors is an integer number (22029150).
Almost surely, 2387941976 is an apocalyptic number.
387941976 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
387941976 is an abundant number, since it is smaller than the sum of its proper divisors (669457224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387941976 is a wasteful number, since it uses less digits than its factorization.
387941976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34488 (or 34481 counting only the distinct ones).
The product of its digits is 2286144, while the sum is 54.
The square root of 387941976 is about 19696.2426873757. The cubic root of 387941976 is about 729.3269432809.
The spelling of 387941976 in words is "three hundred eighty-seven million, nine hundred forty-one thousand, nine hundred seventy-six".
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