Base | Representation |
---|---|
bin | 110010101101… |
… | …011101101111 |
3 | 221000101011000 |
4 | 302231131233 |
5 | 11400342143 |
6 | 1152531343 |
7 | 220664223 |
oct | 62553557 |
9 | 27011130 |
10 | 13293423 |
11 | 755a600 |
12 | 4550b53 |
13 | 29a5940 |
14 | 1aa0783 |
15 | 1278bd3 |
hex | cad76f |
13293423 has 48 divisors (see below), whose sum is σ = 23386720. Its totient is φ = 7413120.
The previous prime is 13293421. The next prime is 13293431. The reversal of 13293423 is 32439231.
It is a happy number.
It is not a de Polignac number, because 13293423 - 21 = 13293421 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13293421) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42315 + ... + 42627.
Almost surely, 213293423 is an apocalyptic number.
13293423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
13293423 is a deficient number, since it is larger than the sum of its proper divisors (10093297).
13293423 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (13293422) it forms an eRAP, since the sums of their prime factors are consecutive (356 and 357).
13293423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357 (or 340 counting only the distinct ones).
The product of its digits is 3888, while the sum is 27.
The square root of 13293423 is about 3646.0146735854. The cubic root of 13293423 is about 236.8893891793.
The spelling of 13293423 in words is "thirteen million, two hundred ninety-three thousand, four hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •