Base | Representation |
---|---|
bin | 10000000011100… |
… | …111111000001111 |
3 | 200202220012001210 |
4 | 100003213320033 |
5 | 1022430311411 |
6 | 42421505503 |
7 | 6450510453 |
oct | 2003477017 |
9 | 622805053 |
10 | 269385231 |
11 | 129074125 |
12 | 76272293 |
13 | 43a6c05b |
14 | 27ac4663 |
15 | 189b2ca6 |
hex | 100e7e0f |
269385231 has 4 divisors (see below), whose sum is σ = 359180312. Its totient is φ = 179590152.
The previous prime is 269385229. The next prime is 269385251. The reversal of 269385231 is 132583962.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 269385231 - 21 = 269385229 is a prime.
It is a super-2 number, since 2×2693852312 = 145136805361846722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 269385231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (269385251) 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, 44897536 + ... + 44897541.
It is an arithmetic number, because the mean of its divisors is an integer number (89795078).
Almost surely, 2269385231 is an apocalyptic number.
269385231 is a deficient number, since it is larger than the sum of its proper divisors (89795081).
269385231 is an equidigital number, since it uses as much as digits as its factorization.
269385231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89795080.
The product of its digits is 77760, while the sum is 39.
The square root of 269385231 is about 16412.9592395765. The cubic root of 269385231 is about 645.8394862025.
The spelling of 269385231 in words is "two hundred sixty-nine million, three hundred eighty-five thousand, two hundred thirty-one".
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