Base | Representation |
---|---|
bin | 100010101111001110101 |
3 | 2010211110000 |
4 | 10111321311 |
5 | 242411133 |
6 | 40221513 |
7 | 12450432 |
oct | 4257165 |
9 | 2124400 |
10 | 1138293 |
11 | 708242 |
12 | 46a899 |
13 | 30b160 |
14 | 218b89 |
15 | 177413 |
hex | 115e75 |
1138293 has 40 divisors (see below), whose sum is σ = 1951488. Its totient is φ = 655776.
The previous prime is 1138273. The next prime is 1138363. The reversal of 1138293 is 3928311.
It is not a de Polignac number, because 1138293 - 29 = 1137781 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
1138293 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1138213) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24196 + ... + 24242.
21138293 is an apocalyptic number.
1138293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1138293 is a deficient number, since it is larger than the sum of its proper divisors (813195).
1138293 is a wasteful number, since it uses less digits than its factorization.
1138293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95 (or 86 counting only the distinct ones).
The product of its digits is 1296, while the sum is 27.
The square root of 1138293 is about 1066.9081497486. The cubic root of 1138293 is about 104.4122260751.
It can be divided in two parts, 1138 and 293, that added together give a triangular number (1431 = T53).
The spelling of 1138293 in words is "one million, one hundred thirty-eight thousand, two hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •