Base | Representation |
---|---|
bin | 100111000001… |
… | …100111001100 |
3 | 201020202020001 |
4 | 213001213030 |
5 | 10104331340 |
6 | 1003134044 |
7 | 152645500 |
oct | 47014714 |
9 | 21222201 |
10 | 10230220 |
11 | 5858130 |
12 | 3514324 |
13 | 21725b0 |
14 | 1504300 |
15 | d7129a |
hex | 9c19cc |
10230220 has 144 divisors (see below), whose sum is σ = 29762208. Its totient is φ = 2903040.
The previous prime is 10230203. The next prime is 10230221. The reversal of 10230220 is 2203201.
It is a Harshad number since it is a multiple of its sum of digits (10).
10230220 is a Rhonda number in base 12.
It is a junction number, because it is equal to n+sod(n) for n = 10230197 and 10230206.
It is not an unprimeable number, because it can be changed into a prime (10230221) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 140104 + ... + 140176.
It is an arithmetic number, because the mean of its divisors is an integer number (206682).
Almost surely, 210230220 is an apocalyptic number.
10230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14881104).
10230220 is an abundant number, since it is smaller than the sum of its proper divisors (19531988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10230220 is a wasteful number, since it uses less digits than its factorization.
10230220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120 (or 111 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 10230220 is about 3198.4715099560. The cubic root of 10230220 is about 217.0842544832.
Adding to 10230220 its reverse (2203201), we get a palindrome (12433421).
The spelling of 10230220 in words is "ten million, two hundred thirty thousand, two hundred twenty".
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