Base | Representation |
---|---|
bin | 11010000111110… |
… | …100000110110101 |
3 | 1010112122201021200 |
4 | 122013310012311 |
5 | 1344143143203 |
6 | 111253203113 |
7 | 13601054304 |
oct | 3207640665 |
9 | 1115581250 |
10 | 438256053 |
11 | 205425294 |
12 | 102930499 |
13 | 6ca47411 |
14 | 422c243b |
15 | 2871d9a3 |
hex | 1a1f41b5 |
438256053 has 12 divisors (see below), whose sum is σ = 660560160. Its totient is φ = 279467496.
The previous prime is 438256001. The next prime is 438256079. The reversal of 438256053 is 350652834.
It is a happy number.
438256053 is a `hidden beast` number, since 43 + 8 + 2 + 5 + 605 + 3 = 666.
It is not a de Polignac number, because 438256053 - 26 = 438255989 is a prime.
It is a super-2 number, since 2×4382560532 = 384136735982277618, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 438255999 and 438256017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (438251053) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1058383 + ... + 1058796.
It is an arithmetic number, because the mean of its divisors is an integer number (55046680).
Almost surely, 2438256053 is an apocalyptic number.
It is an amenable number.
438256053 is a deficient number, since it is larger than the sum of its proper divisors (222304107).
438256053 is a wasteful number, since it uses less digits than its factorization.
438256053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2117208 (or 2117205 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
The square root of 438256053 is about 20934.5659854701. The cubic root of 438256053 is about 759.5842907754.
The spelling of 438256053 in words is "four hundred thirty-eight million, two hundred fifty-six thousand, fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •