Base | Representation |
---|---|
bin | 10000000000001… |
… | …110010000000101 |
3 | 200201012220021220 |
4 | 100000032100011 |
5 | 1022213300304 |
6 | 42350430553 |
7 | 6440105562 |
oct | 2000162005 |
9 | 621186256 |
10 | 268493829 |
11 | 12861542a |
12 | 75b02459 |
13 | 438193b6 |
14 | 27931869 |
15 | 18888ad9 |
hex | 1000e405 |
268493829 has 8 divisors (see below), whose sum is σ = 358160352. Its totient is φ = 178911600.
The previous prime is 268493809. The next prime is 268493839. The reversal of 268493829 is 928394862.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 268493829 - 212 = 268489733 is a prime.
It is a super-2 number, since 2×2684938292 = 144177872422162482, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268493809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13222 + ... + 26679.
It is an arithmetic number, because the mean of its divisors is an integer number (44770044).
Almost surely, 2268493829 is an apocalyptic number.
It is an amenable number.
268493829 is a deficient number, since it is larger than the sum of its proper divisors (89666523).
268493829 is a wasteful number, since it uses less digits than its factorization.
268493829 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42147.
The product of its digits is 1492992, while the sum is 51.
The square root of 268493829 is about 16385.7813057541. The cubic root of 268493829 is about 645.1263330451.
The spelling of 268493829 in words is "two hundred sixty-eight million, four hundred ninety-three thousand, eight hundred twenty-nine".
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