Base | Representation |
---|---|
bin | 111001101001… |
… | …0101100001100 |
3 | 2002212111022200 |
4 | 1303102230030 |
5 | 30214114431 |
6 | 2555441500 |
7 | 514615020 |
oct | 163225414 |
9 | 62774280 |
10 | 30223116 |
11 | 16073090 |
12 | a156290 |
13 | 6352701 |
14 | 402a380 |
15 | 29beee6 |
hex | 1cd2b0c |
30223116 has 72 divisors (see below), whose sum is σ = 95257344. Its totient is φ = 7849440.
The previous prime is 30223111. The next prime is 30223147. The reversal of 30223116 is 61132203.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (30223111) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2680 + ... + 8223.
Almost surely, 230223116 is an apocalyptic number.
30223116 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30223116 is an abundant number, since it is smaller than the sum of its proper divisors (65034228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30223116 is a wasteful number, since it uses less digits than its factorization.
30223116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10931 (or 10926 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 30223116 is about 5497.5554567462. Note that the first 3 decimals coincide. The cubic root of 30223116 is about 311.4916524657.
Adding to 30223116 its reverse (61132203), we get a palindrome (91355319).
The spelling of 30223116 in words is "thirty million, two hundred twenty-three thousand, one hundred sixteen".
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