Base | Representation |
---|---|
bin | 10000000001111… |
… | …101111111000101 |
3 | 200202002011002102 |
4 | 100001331333011 |
5 | 1022322421433 |
6 | 42404321445 |
7 | 6444023066 |
oct | 2001757705 |
9 | 622064072 |
10 | 268951493 |
11 | 1288a8268 |
12 | 760a3285 |
13 | 439497c5 |
14 | 27a1056d |
15 | 189294e8 |
hex | 1007dfc5 |
268951493 has 4 divisors (see below), whose sum is σ = 270359808. Its totient is φ = 267543180.
The previous prime is 268951429. The next prime is 268951499. The reversal of 268951493 is 394159862.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 268951493 - 26 = 268951429 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268951499) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703871 + ... + 704252.
It is an arithmetic number, because the mean of its divisors is an integer number (67589952).
Almost surely, 2268951493 is an apocalyptic number.
It is an amenable number.
268951493 is a deficient number, since it is larger than the sum of its proper divisors (1408315).
268951493 is a wasteful number, since it uses less digits than its factorization.
268951493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1408314.
The product of its digits is 466560, while the sum is 47.
The square root of 268951493 is about 16399.7406381930. The cubic root of 268951493 is about 645.4926772799.
The spelling of 268951493 in words is "two hundred sixty-eight million, nine hundred fifty-one thousand, four hundred ninety-three".
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