Base | Representation |
---|---|
bin | 10111000111101… |
… | …011010110101000 |
3 | 1000000212210001200 |
4 | 113013223112220 |
5 | 1243244413202 |
6 | 102253444200 |
7 | 12416666262 |
oct | 2707532650 |
9 | 1000783050 |
10 | 387888552 |
11 | 189a53457 |
12 | a9aa0660 |
13 | 6249096c |
14 | 39730b32 |
15 | 240bee1c |
hex | 171eb5a8 |
387888552 has 48 divisors (see below), whose sum is σ = 1074971040. Its totient is φ = 126288288.
The previous prime is 387888551. The next prime is 387888559. The reversal of 387888552 is 255888783.
It is a happy number.
387888552 is a `hidden beast` number, since 3 + 8 + 7 + 8 + 88 + 552 = 666.
It is not an unprimeable number, because it can be changed into a prime (387888551) 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, 59548 + ... + 65739.
It is an arithmetic number, because the mean of its divisors is an integer number (22395230).
Almost surely, 2387888552 is an apocalyptic number.
It is an amenable number.
387888552 is an abundant number, since it is smaller than the sum of its proper divisors (687082488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387888552 is a wasteful number, since it uses less digits than its factorization.
387888552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125342 (or 125335 counting only the distinct ones).
The product of its digits is 4300800, while the sum is 54.
The square root of 387888552 is about 19694.8864429323. The cubic root of 387888552 is about 729.2934628863.
The spelling of 387888552 in words is "three hundred eighty-seven million, eight hundred eighty-eight thousand, five hundred fifty-two".
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