Base | Representation |
---|---|
bin | 101100011010… |
… | …0011011100110 |
3 | 1121210220212021 |
4 | 1120310123212 |
5 | 21430032210 |
6 | 2151013354 |
7 | 401622502 |
oct | 130643346 |
9 | 47726767 |
10 | 23283430 |
11 | 12163205 |
12 | 796a25a |
13 | 4a92aa1 |
14 | 3141302 |
15 | 209dbda |
hex | 16346e6 |
23283430 has 32 divisors (see below), whose sum is σ = 43110144. Its totient is φ = 9050496.
The previous prime is 23283427. The next prime is 23283439. The reversal of 23283430 is 3438232.
It is a super-2 number, since 2×232834302 = 1084236225129800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23283395 and 23283404.
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 pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104299 + ... + 104521.
It is an arithmetic number, because the mean of its divisors is an integer number (1347192).
Almost surely, 223283430 is an apocalyptic number.
23283430 is the 3940-th pentagonal number.
23283430 is a deficient number, since it is larger than the sum of its proper divisors (19826714).
23283430 is a wasteful number, since it uses less digits than its factorization.
23283430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480.
The product of its (nonzero) digits is 3456, while the sum is 25.
The square root of 23283430 is about 4825.2906648201. The cubic root of 23283430 is about 285.5501019806.
The spelling of 23283430 in words is "twenty-three million, two hundred eighty-three thousand, four hundred thirty".
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