Base | Representation |
---|---|
bin | 101100011010… |
… | …0011011101110 |
3 | 1121210220212120 |
4 | 1120310123232 |
5 | 21430032223 |
6 | 2151013410 |
7 | 401622513 |
oct | 130643356 |
9 | 47726776 |
10 | 23283438 |
11 | 12163212 |
12 | 796a266 |
13 | 4a92aa9 |
14 | 314130a |
15 | 209dbe3 |
hex | 16346ee |
23283438 has 32 divisors (see below), whose sum is σ = 50056704. Its totient is φ = 7193472.
The previous prime is 23283427. The next prime is 23283439. The reversal of 23283438 is 83438232.
It is a junction number, because it is equal to n+sod(n) for n = 23283399 and 23283408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23283439) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5131 + ... + 8537.
It is an arithmetic number, because the mean of its divisors is an integer number (1564272).
Almost surely, 223283438 is an apocalyptic number.
23283438 is an abundant number, since it is smaller than the sum of its proper divisors (26773266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23283438 is a wasteful number, since it uses less digits than its factorization.
23283438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3496.
The product of its digits is 27648, while the sum is 33.
The square root of 23283438 is about 4825.2914937856. The cubic root of 23283438 is about 285.5501346848.
The spelling of 23283438 in words is "twenty-three million, two hundred eighty-three thousand, four hundred thirty-eight".
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