Base | Representation |
---|---|
bin | 101111111010001… |
… | …111100010010010 |
3 | 2002000111010101101 |
4 | 233322033202102 |
5 | 3121233002023 |
6 | 211432055014 |
7 | 25630106614 |
oct | 5772174222 |
9 | 2060433341 |
10 | 803797138 |
11 | 3827a4761 |
12 | 1a523446a |
13 | ca6b2311 |
14 | 78a76db4 |
15 | 4a8771ad |
hex | 2fe8f892 |
803797138 has 4 divisors (see below), whose sum is σ = 1205695710. Its totient is φ = 401898568.
The previous prime is 803797133. The next prime is 803797153. The reversal of 803797138 is 831797308.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 490046769 + 313750369 = 22137^2 + 17713^2 .
It is not an unprimeable number, because it can be changed into a prime (803797133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200949283 + ... + 200949286.
Almost surely, 2803797138 is an apocalyptic number.
803797138 is a deficient number, since it is larger than the sum of its proper divisors (401898572).
803797138 is a wasteful number, since it uses less digits than its factorization.
803797138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 401898571.
The product of its (nonzero) digits is 254016, while the sum is 46.
The square root of 803797138 is about 28351.3163362832. The cubic root of 803797138 is about 929.7841785389.
The spelling of 803797138 in words is "eight hundred three million, seven hundred ninety-seven thousand, one hundred thirty-eight".
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