Base | Representation |
---|---|
bin | 10010000011100… |
… | …111011110101111 |
3 | 210010000211212002 |
4 | 102003213132233 |
5 | 1110023004111 |
6 | 50021002515 |
7 | 10335634154 |
oct | 2203473657 |
9 | 703024762 |
10 | 302938031 |
11 | 146000910 |
12 | 8555343b |
13 | 4a9b9196 |
14 | 2c33a22b |
15 | 1b8de63b |
hex | 120e77af |
302938031 has 8 divisors (see below), whose sum is σ = 341874000. Its totient is φ = 265901440.
The previous prime is 302937959. The next prime is 302938039. The reversal of 302938031 is 130839203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-302938031 is a prime.
It is a super-2 number, since 2×3029380312 = 183542901252313922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 302937985 and 302938003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (302938039) 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 in 7 ways as a sum of consecutive naturals, for example, 474506 + ... + 475143.
It is an arithmetic number, because the mean of its divisors is an integer number (42734250).
Almost surely, 2302938031 is an apocalyptic number.
302938031 is a deficient number, since it is larger than the sum of its proper divisors (38935969).
302938031 is a wasteful number, since it uses less digits than its factorization.
302938031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 949689.
The product of its (nonzero) digits is 3888, while the sum is 29.
The square root of 302938031 is about 17405.1150814926. The cubic root of 302938031 is about 671.6112043504.
The spelling of 302938031 in words is "three hundred two million, nine hundred thirty-eight thousand, thirty-one".
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