Base | Representation |
---|---|
bin | 1011111011000… |
… | …01000011000110 |
3 | 20222012010222200 |
4 | 11331201003012 |
5 | 201100342410 |
6 | 13531335330 |
7 | 2323042563 |
oct | 575410306 |
9 | 228163880 |
10 | 100012230 |
11 | 514aa73a |
12 | 295b1546 |
13 | 17949246 |
14 | d3d586a |
15 | 8ba83c0 |
hex | 5f610c6 |
100012230 has 24 divisors (see below), whose sum is σ = 260032032. Its totient is φ = 26669904.
The previous prime is 100012223. The next prime is 100012247. The reversal of 100012230 is 32210001.
It is a happy number.
It is a super-2 number, since 2×1000122302 = 20004892299145800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is an unprimeable number.
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, 555534 + ... + 555713.
It is an arithmetic number, because the mean of its divisors is an integer number (10834668).
Almost surely, 2100012230 is an apocalyptic number.
100012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100012230 is an abundant number, since it is smaller than the sum of its proper divisors (160019802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100012230 is a wasteful number, since it uses less digits than its factorization.
100012230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1111260 (or 1111257 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 100012230 is about 10000.6114813045. The cubic root of 100012230 is about 464.1778048004.
Adding to 100012230 its reverse (32210001), we get a palindrome (132222231).
The spelling of 100012230 in words is "one hundred million, twelve thousand, two hundred thirty".
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