Base | Representation |
---|---|
bin | 10111000111010… |
… | …111101100000010 |
3 | 1000000201200120100 |
4 | 113013113230002 |
5 | 1243234324002 |
6 | 102252023230 |
7 | 12416212401 |
oct | 2707275402 |
9 | 1000650510 |
10 | 387808002 |
11 | 1899a898a |
12 | a9a61b16 |
13 | 624630ba |
14 | 3970d638 |
15 | 240a611c |
hex | 171d7b02 |
387808002 has 12 divisors (see below), whose sum is σ = 840250710. Its totient is φ = 129269328.
The previous prime is 387807997. The next prime is 387808009. The reversal of 387808002 is 200808783.
It can be written as a sum of positive squares in only one way, i.e., 340734681 + 47073321 = 18459^2 + 6861^2 .
It is not an unprimeable number, because it can be changed into a prime (387808009) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10772427 + ... + 10772462.
Almost surely, 2387808002 is an apocalyptic number.
387808002 is an abundant number, since it is smaller than the sum of its proper divisors (452442708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387808002 is a wasteful number, since it uses less digits than its factorization.
387808002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21544897 (or 21544894 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 387808002 is about 19692.8413897030. The cubic root of 387808002 is about 729.2429770316.
The spelling of 387808002 in words is "three hundred eighty-seven million, eight hundred eight thousand, two".
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