Base | Representation |
---|---|
bin | 110111100010… |
… | …001010000110 |
3 | 1000101121120220 |
4 | 313202022012 |
5 | 12211322310 |
6 | 1240005210 |
7 | 234511440 |
oct | 67421206 |
9 | 30347526 |
10 | 14557830 |
11 | 8243571 |
12 | 4a60806 |
13 | 3029301 |
14 | 1d0d490 |
15 | 1428670 |
hex | de2286 |
14557830 has 64 divisors (see below), whose sum is σ = 40255488. Its totient is φ = 3300480.
The previous prime is 14557811. The next prime is 14557853. The reversal of 14557830 is 3875541.
It is a junction number, because it is equal to n+sod(n) for n = 14557791 and 14557800.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37819 + ... + 38201.
It is an arithmetic number, because the mean of its divisors is an integer number (628992).
Almost surely, 214557830 is an apocalyptic number.
14557830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 14557830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20127744).
14557830 is an abundant number, since it is smaller than the sum of its proper divisors (25697658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14557830 is a wasteful number, since it uses less digits than its factorization.
14557830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 581.
The product of its (nonzero) digits is 16800, while the sum is 33.
The square root of 14557830 is about 3815.4724478104. The cubic root of 14557830 is about 244.1736983198.
It can be divided in two parts, 145 and 57830, that added together give a palindrome (57975).
The spelling of 14557830 in words is "fourteen million, five hundred fifty-seven thousand, eight hundred thirty".
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