Base | Representation |
---|---|
bin | 10111001010110… |
… | …110001011000000 |
3 | 1000002102222121222 |
4 | 113022312023000 |
5 | 1244003004141 |
6 | 102323334212 |
7 | 12430026260 |
oct | 2712661300 |
9 | 1002388558 |
10 | 388719296 |
11 | 18a470619 |
12 | aa221368 |
13 | 626c1b24 |
14 | 398a97a0 |
15 | 241d614b |
hex | 172b62c0 |
388719296 has 28 divisors (see below), whose sum is σ = 881560848. Its totient is φ = 166593792.
The previous prime is 388719241. The next prime is 388719329. The reversal of 388719296 is 692917883.
It is a tau number, because it is divible by the number of its divisors (28).
It is a super-2 number, since 2×3887192962 = 302205382165471232, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433391 + ... + 434286.
It is an arithmetic number, because the mean of its divisors is an integer number (31484316).
Almost surely, 2388719296 is an apocalyptic number.
It is an amenable number.
388719296 is an abundant number, since it is smaller than the sum of its proper divisors (492841552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388719296 is an equidigital number, since it uses as much as digits as its factorization.
388719296 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 867696 (or 867686 counting only the distinct ones).
The product of its digits is 1306368, while the sum is 53.
The square root of 388719296 is about 19715.9655102153. The cubic root of 388719296 is about 729.8137361770.
The spelling of 388719296 in words is "three hundred eighty-eight million, seven hundred nineteen thousand, two hundred ninety-six".
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