Base | Representation |
---|---|
bin | 10111001000011… |
… | …011110011011010 |
3 | 1000001020212021200 |
4 | 113020123303122 |
5 | 1243322241002 |
6 | 102302015030 |
7 | 12421453662 |
oct | 2710336332 |
9 | 1001225250 |
10 | 388087002 |
11 | 18a079566 |
12 | a9b77476 |
13 | 625300a4 |
14 | 397831a2 |
15 | 2410db1c |
hex | 1721bcda |
388087002 has 48 divisors (see below), whose sum is σ = 857519520. Its totient is φ = 126813600.
The previous prime is 388086983. The next prime is 388087003. The reversal of 388087002 is 200780883.
It is a super-2 number, since 2×3880870022 = 301223042242696008, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (388087003) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 626649 + ... + 627267.
It is an arithmetic number, because the mean of its divisors is an integer number (17864990).
Almost surely, 2388087002 is an apocalyptic number.
388087002 is an abundant number, since it is smaller than the sum of its proper divisors (469432518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388087002 is a wasteful number, since it uses less digits than its factorization.
388087002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1259 (or 1256 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 388087002 is about 19699.9239084825. The cubic root of 388087002 is about 729.4178144234.
The spelling of 388087002 in words is "three hundred eighty-eight million, eighty-seven thousand, two".
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