Base | Representation |
---|---|
bin | 111010000010… |
… | …1101100000000 |
3 | 2010021002212010 |
4 | 1310011230000 |
5 | 30242311000 |
6 | 3004132520 |
7 | 516445014 |
oct | 164055400 |
9 | 63232763 |
10 | 30432000 |
11 | 161a6015 |
12 | a237140 |
13 | 63c6801 |
14 | 4082544 |
15 | 2a11d50 |
hex | 1d05b00 |
30432000 has 144 divisors (see below), whose sum is σ = 101398752. Its totient is φ = 8089600.
The previous prime is 30431981. The next prime is 30432011. The reversal of 30432000 is 23403.
It is a super-2 number, since 2×304320002 = 1852213248000000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95842 + ... + 96158.
It is an arithmetic number, because the mean of its divisors is an integer number (704158).
Almost surely, 230432000 is an apocalyptic number.
30432000 is a gapful number since it is divisible by the number (30) 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 30432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50699376).
30432000 is an abundant number, since it is smaller than the sum of its proper divisors (70966752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30432000 is an equidigital number, since it uses as much as digits as its factorization.
30432000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351 (or 327 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 12.
The square root of 30432000 is about 5516.5206425790. The cubic root of 30432000 is about 312.2076198630.
Adding to 30432000 its reverse (23403), we get a palindrome (30455403).
It can be divided in two parts, 30 and 432000, that multiplied together give a 4-th power (12960000 = 604).
The spelling of 30432000 in words is "thirty million, four hundred thirty-two thousand".
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