Base | Representation |
---|---|
bin | 100110001110… |
… | …100101101110 |
3 | 200212010112200 |
4 | 212032211232 |
5 | 10031134410 |
6 | 554442330 |
7 | 151115262 |
oct | 46164556 |
9 | 20763480 |
10 | 10021230 |
11 | 572510a |
12 | 34333a6 |
13 | 20cb42b |
14 | 148c0a2 |
15 | d2e3c0 |
hex | 98e96e |
10021230 has 24 divisors (see below), whose sum is σ = 26055432. Its totient is φ = 2672304.
The previous prime is 10021217. The next prime is 10021237. The reversal of 10021230 is 3212001.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10021237) 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 11 ways as a sum of consecutive naturals, for example, 55584 + ... + 55763.
It is an arithmetic number, because the mean of its divisors is an integer number (1085643).
Almost surely, 210021230 is an apocalyptic number.
10021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10021230 is an abundant number, since it is smaller than the sum of its proper divisors (16034202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10021230 is a wasteful number, since it uses less digits than its factorization.
10021230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111360 (or 111357 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 10021230 is about 3165.6326381941. The cubic root of 10021230 is about 215.5958233994.
Adding to 10021230 its reverse (3212001), we get a palindrome (13233231).
The spelling of 10021230 in words is "ten million, twenty-one thousand, two hundred thirty".
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