Base | Representation |
---|---|
bin | 111011000111… |
… | …0011101100010 |
3 | 2011022120100020 |
4 | 1312032131202 |
5 | 30413222401 |
6 | 3024134310 |
7 | 524300226 |
oct | 166163542 |
9 | 64276306 |
10 | 30992226 |
11 | 16548a11 |
12 | a467396 |
13 | 65617c5 |
14 | 418a786 |
15 | 2ac2d36 |
hex | 1d8e762 |
30992226 has 16 divisors (see below), whose sum is σ = 62040000. Its totient is φ = 10321488.
The previous prime is 30992189. The next prime is 30992231. The reversal of 30992226 is 62229903.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9900 + ... + 12648.
It is an arithmetic number, because the mean of its divisors is an integer number (3877500).
Almost surely, 230992226 is an apocalyptic number.
30992226 is an abundant number, since it is smaller than the sum of its proper divisors (31047774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30992226 is a wasteful number, since it uses less digits than its factorization.
30992226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4633.
The product of its (nonzero) digits is 11664, while the sum is 33.
The square root of 30992226 is about 5567.0661932476. The cubic root of 30992226 is about 314.1118038038. Note that the first 3 decimals are identical.
The spelling of 30992226 in words is "thirty million, nine hundred ninety-two thousand, two hundred twenty-six".
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