Base | Representation |
---|---|
bin | 1011111100100… |
… | …01101000011110 |
3 | 20222120020222001 |
4 | 11332101220132 |
5 | 201123224410 |
6 | 13535512514 |
7 | 2324532010 |
oct | 576215036 |
9 | 228506861 |
10 | 100211230 |
11 | 516261a9 |
12 | 2968873a |
13 | 179b89b2 |
14 | d4481b0 |
15 | 8be733a |
hex | 5f91a1e |
100211230 has 64 divisors (see below), whose sum is σ = 218557440. Its totient is φ = 32338944.
The previous prime is 100211183. The next prime is 100211231. The reversal of 100211230 is 32112001.
It is a super-2 number, since 2×1002112302 = 20084581236225800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100211231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107406 + ... + 108334.
It is an arithmetic number, because the mean of its divisors is an integer number (3414960).
Almost surely, 2100211230 is an apocalyptic number.
100211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100211230 is an abundant number, since it is smaller than the sum of its proper divisors (118346210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100211230 is a wasteful number, since it uses less digits than its factorization.
100211230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1033.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 100211230 is about 10010.5559286186. Note that the first 3 decimals coincide. The cubic root of 100211230 is about 464.4854677908.
Adding to 100211230 its reverse (32112001), we get a palindrome (132323231).
The spelling of 100211230 in words is "one hundred million, two hundred eleven thousand, two hundred thirty".
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