Base | Representation |
---|---|
bin | 10111001001011… |
… | …011111111100010 |
3 | 1000001202012221110 |
4 | 113021123333202 |
5 | 1243404144142 |
6 | 102311404150 |
7 | 12423630342 |
oct | 2711337742 |
9 | 1001665843 |
10 | 388349922 |
11 | 18a239054 |
12 | aa083656 |
13 | 625c296c |
14 | 39810d22 |
15 | 2416199c |
hex | 1725bfe2 |
388349922 has 8 divisors (see below), whose sum is σ = 776699856. Its totient is φ = 129449972.
The previous prime is 388349903. The next prime is 388349947. The reversal of 388349922 is 229943883.
It is a sphenic number, since it is the product of 3 distinct primes.
388349922 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32362488 + ... + 32362499.
It is an arithmetic number, because the mean of its divisors is an integer number (97087482).
Almost surely, 2388349922 is an apocalyptic number.
388349922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388349922 is a wasteful number, since it uses less digits than its factorization.
388349922 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64724992.
The product of its digits is 746496, while the sum is 48.
The square root of 388349922 is about 19706.5959008653. The cubic root of 388349922 is about 729.5824984921.
The spelling of 388349922 in words is "three hundred eighty-eight million, three hundred forty-nine thousand, nine hundred twenty-two".
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