Base | Representation |
---|---|
bin | 111010100011… |
… | …1111001111000 |
3 | 2010202212220110 |
4 | 1311013321320 |
5 | 30330000344 |
6 | 3014024320 |
7 | 521654526 |
oct | 165077170 |
9 | 63685813 |
10 | 30703224 |
11 | 16370872 |
12 | a3480a0 |
13 | 64900b6 |
14 | 4113316 |
15 | 2a673b9 |
hex | 1d47e78 |
30703224 has 32 divisors (see below), whose sum is σ = 81274320. Its totient is φ = 9632256.
The previous prime is 30703223. The next prime is 30703249. The reversal of 30703224 is 42230703.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30703224.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30703223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37219 + ... + 38034.
Almost surely, 230703224 is an apocalyptic number.
30703224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
30703224 is an abundant number, since it is smaller than the sum of its proper divisors (50571096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30703224 is a wasteful number, since it uses less digits than its factorization.
30703224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75279 (or 75275 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 21.
The square root of 30703224 is about 5541.0489981591. The cubic root of 30703224 is about 313.1323906527.
Adding to 30703224 its reverse (42230703), we get a palindrome (72933927).
The spelling of 30703224 in words is "thirty million, seven hundred three thousand, two hundred twenty-four".
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