Base | Representation |
---|---|
bin | 101111101101001… |
… | …111011101001010 |
3 | 2001210001222012202 |
4 | 233231033131022 |
5 | 3114344421223 |
6 | 211231040202 |
7 | 25556123306 |
oct | 5755173512 |
9 | 2053058182 |
10 | 800388938 |
11 | 380887068 |
12 | 1a4070062 |
13 | c9a8ac2b |
14 | 7842ad06 |
15 | 4a402428 |
hex | 2fb4f74a |
800388938 has 16 divisors (see below), whose sum is σ = 1245818880. Its totient is φ = 385251600.
The previous prime is 800388931. The next prime is 800388947. The reversal of 800388938 is 839883008.
It is a junction number, because it is equal to n+sod(n) for n = 800388892 and 800388901.
It is not an unprimeable number, because it can be changed into a prime (800388931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21953 + ... + 45636.
It is an arithmetic number, because the mean of its divisors is an integer number (77863680).
Almost surely, 2800388938 is an apocalyptic number.
800388938 is a deficient number, since it is larger than the sum of its proper divisors (445429942).
800388938 is a wasteful number, since it uses less digits than its factorization.
800388938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67813.
The product of its (nonzero) digits is 331776, while the sum is 47.
The square root of 800388938 is about 28291.1459294246. The cubic root of 800388938 is about 928.4681832056.
The spelling of 800388938 in words is "eight hundred million, three hundred eighty-eight thousand, nine hundred thirty-eight".
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