Base | Representation |
---|---|
bin | 10001100001001… |
… | …101111101110111 |
3 | 202111001201022022 |
4 | 101201031331313 |
5 | 1100220430011 |
6 | 45055423355 |
7 | 10166166314 |
oct | 2141157567 |
9 | 674051268 |
10 | 293920631 |
11 | 140a01a14 |
12 | 82524b5b |
13 | 48b7c944 |
14 | 2b06dd0b |
15 | 1ac0c8db |
hex | 1184df77 |
293920631 has 8 divisors (see below), whose sum is σ = 302101200. Its totient is φ = 285848640.
The previous prime is 293920621. The next prime is 293920663. The reversal of 293920631 is 136029392.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 293920631 - 26 = 293920567 is a prime.
It is a super-2 number, since 2×2939206312 = 172778674654876322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 293920591 and 293920600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (293920621) 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, 21641 + ... + 32498.
It is an arithmetic number, because the mean of its divisors is an integer number (37762650).
Almost surely, 2293920631 is an apocalyptic number.
293920631 is a deficient number, since it is larger than the sum of its proper divisors (8180569).
293920631 is an equidigital number, since it uses as much as digits as its factorization.
293920631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54289.
The product of its (nonzero) digits is 17496, while the sum is 35.
The square root of 293920631 is about 17144.1135962172. The cubic root of 293920631 is about 664.8801344248.
The spelling of 293920631 in words is "two hundred ninety-three million, nine hundred twenty thousand, six hundred thirty-one".
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