Base | Representation |
---|---|
bin | 111010010000… |
… | …1100110001000 |
3 | 2010110220122220 |
4 | 1310201212020 |
5 | 30304440222 |
6 | 3010414040 |
7 | 520432206 |
oct | 164414610 |
9 | 63426586 |
10 | 30546312 |
11 | 16273995 |
12 | a291320 |
13 | 6436854 |
14 | 40b2076 |
15 | 2a35b5c |
hex | 1d21988 |
30546312 has 64 divisors (see below), whose sum is σ = 80438400. Its totient is φ = 9653760.
The previous prime is 30546311. The next prime is 30546343. The reversal of 30546312 is 21364503.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (30546311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35989 + ... + 36827.
It is an arithmetic number, because the mean of its divisors is an integer number (1256850).
Almost surely, 230546312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30546312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40219200).
30546312 is an abundant number, since it is smaller than the sum of its proper divisors (49892088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30546312 is a wasteful number, since it uses less digits than its factorization.
30546312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 926 (or 922 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 30546312 is about 5526.8718096225. The cubic root of 30546312 is about 312.5980475275.
The spelling of 30546312 in words is "thirty million, five hundred forty-six thousand, three hundred twelve".
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