Base | Representation |
---|---|
bin | 111001110000… |
… | …0011000111000 |
3 | 2002222100021202 |
4 | 1303200120320 |
5 | 30222413344 |
6 | 3000553332 |
7 | 515240423 |
oct | 163403070 |
9 | 62870252 |
10 | 30279224 |
11 | 16101258 |
12 | a182848 |
13 | 6372101 |
14 | 40429ba |
15 | 29d194e |
hex | 1ce0638 |
30279224 has 48 divisors (see below), whose sum is σ = 61333200. Its totient is φ = 13985664.
The previous prime is 30279211. The next prime is 30279239. The reversal of 30279224 is 42297203.
It is a happy number.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340172 + ... + 340260.
It is an arithmetic number, because the mean of its divisors is an integer number (1277775).
Almost surely, 230279224 is an apocalyptic number.
It is an amenable number.
30279224 is an abundant number, since it is smaller than the sum of its proper divisors (31053976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30279224 is a wasteful number, since it uses less digits than its factorization.
30279224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204 (or 157 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 30279224 is about 5502.6560859280. The cubic root of 30279224 is about 311.6842905505.
It can be divided in two parts, 30279 and 224, that added together give a palindrome (30503).
The spelling of 30279224 in words is "thirty million, two hundred seventy-nine thousand, two hundred twenty-four".
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