Base | Representation |
---|---|
bin | 111001011001… |
… | …1000000000000 |
3 | 2002121220021010 |
4 | 1302303000000 |
5 | 30200441222 |
6 | 2553000520 |
7 | 513534414 |
oct | 162630000 |
9 | 62556233 |
10 | 30093312 |
11 | 15a94607 |
12 | a0b3140 |
13 | 63085c2 |
14 | 3dd4d44 |
15 | 299680c |
hex | 1cb3000 |
30093312 has 104 divisors (see below), whose sum is σ = 83875840. Its totient is φ = 9584640.
The previous prime is 30093307. The next prime is 30093319. The reversal of 30093312 is 21339003.
It is not an unprimeable number, because it can be changed into a prime (30093319) 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, 380889 + ... + 380967.
Almost surely, 230093312 is an apocalyptic number.
30093312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30093312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41937920).
30093312 is an abundant number, since it is smaller than the sum of its proper divisors (53782528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30093312 is an equidigital number, since it uses as much as digits as its factorization.
30093312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137 (or 115 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 21.
The square root of 30093312 is about 5485.7371428095. The cubic root of 30093312 is about 311.0450750243.
The spelling of 30093312 in words is "thirty million, ninety-three thousand, three hundred twelve".
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