Base | Representation |
---|---|
bin | 10111001000010… |
… | …011000111000100 |
3 | 1000001012001102221 |
4 | 113020103013010 |
5 | 1243320121041 |
6 | 102301142124 |
7 | 12421245115 |
oct | 2710230704 |
9 | 1001161387 |
10 | 388051396 |
11 | 18a054837 |
12 | a9b5a944 |
13 | 62519b15 |
14 | 3977420c |
15 | 241032d1 |
hex | 172131c4 |
388051396 has 6 divisors (see below), whose sum is σ = 679089950. Its totient is φ = 194025696.
The previous prime is 388051373. The next prime is 388051399. The reversal of 388051396 is 693150883.
It can be written as a sum of positive squares in only one way, i.e., 278556100 + 109495296 = 16690^2 + 10464^2 .
It is not an unprimeable number, because it can be changed into a prime (388051399) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48506421 + ... + 48506428.
Almost surely, 2388051396 is an apocalyptic number.
It is an amenable number.
388051396 is a deficient number, since it is larger than the sum of its proper divisors (291038554).
388051396 is a wasteful number, since it uses less digits than its factorization.
388051396 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97012853 (or 97012851 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 388051396 is about 19699.0201786789. The cubic root of 388051396 is about 729.3955063285.
The spelling of 388051396 in words is "three hundred eighty-eight million, fifty-one thousand, three hundred ninety-six".
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