Base | Representation |
---|---|
bin | 10111001000001… |
… | …000100100001001 |
3 | 1000001002212012010 |
4 | 113020020210021 |
5 | 1243312230301 |
6 | 102300210133 |
7 | 12421005150 |
oct | 2710104411 |
9 | 1001085163 |
10 | 388008201 |
11 | 18a025339 |
12 | a9b39949 |
13 | 62503269 |
14 | 39762597 |
15 | 240e55d6 |
hex | 17208909 |
388008201 has 16 divisors (see below), whose sum is σ = 591796224. Its totient is φ = 221514384.
The previous prime is 388008193. The next prime is 388008209. The reversal of 388008201 is 102800883.
It is an interprime number because it is at equal distance from previous prime (388008193) and next prime (388008209).
It is not a de Polignac number, because 388008201 - 23 = 388008193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (388008209) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16480 + ... + 32366.
It is an arithmetic number, because the mean of its divisors is an integer number (36987264).
Almost surely, 2388008201 is an apocalyptic number.
It is an amenable number.
388008201 is a deficient number, since it is larger than the sum of its proper divisors (203788023).
388008201 is a wasteful number, since it uses less digits than its factorization.
388008201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17060.
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 388008201 is about 19697.9237738397. The cubic root of 388008201 is about 729.3684416936.
The spelling of 388008201 in words is "three hundred eighty-eight million, eight thousand, two hundred one".
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