Base | Representation |
---|---|
bin | 10111000110111… |
… | …001000111001100 |
3 | 1000000111022202220 |
4 | 113012321013030 |
5 | 1243221322024 |
6 | 102245215340 |
7 | 12415151310 |
oct | 2706710714 |
9 | 1000438686 |
10 | 387682764 |
11 | 189922887 |
12 | a9a01550 |
13 | 6241b0b1 |
14 | 396b9b40 |
15 | 2407de79 |
hex | 171b91cc |
387682764 has 96 divisors (see below), whose sum is σ = 1092672000. Its totient is φ = 104509440.
The previous prime is 387682753. The next prime is 387682847. The reversal of 387682764 is 467286783.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716334 + ... + 716874.
It is an arithmetic number, because the mean of its divisors is an integer number (11382000).
Almost surely, 2387682764 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 387682764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546336000).
387682764 is an abundant number, since it is smaller than the sum of its proper divisors (704989236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387682764 is a wasteful number, since it uses less digits than its factorization.
387682764 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1023 (or 1021 counting only the distinct ones).
The product of its digits is 2709504, while the sum is 51.
The square root of 387682764 is about 19689.6613480273. The cubic root of 387682764 is about 729.1644684531.
The spelling of 387682764 in words is "three hundred eighty-seven million, six hundred eighty-two thousand, seven hundred sixty-four".
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