Base | Representation |
---|---|
bin | 111001101001… |
… | …0000100111000 |
3 | 2002212100212111 |
4 | 1303102010320 |
5 | 30214024400 |
6 | 2555422104 |
7 | 514604464 |
oct | 163220470 |
9 | 62770774 |
10 | 30220600 |
11 | 16071203 |
12 | a154934 |
13 | 6351517 |
14 | 40294a4 |
15 | 29be3ba |
hex | 1cd2138 |
30220600 has 48 divisors (see below), whose sum is σ = 71613720. Its totient is φ = 11856000.
The previous prime is 30220591. The next prime is 30220633. The reversal of 30220600 is 602203.
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, 9175 + ... + 12025.
Almost surely, 230220600 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 30220600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35806860).
30220600 is an abundant number, since it is smaller than the sum of its proper divisors (41393120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30220600 is a wasteful number, since it uses less digits than its factorization.
30220600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2920 (or 2911 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 30220600 is about 5497.3266230050. The cubic root of 30220600 is about 311.4830085881.
Adding to 30220600 its reverse (602203), we get a palindrome (30822803).
It can be divided in two parts, 302 and 20600, that added together give a palindrome (20902).
The spelling of 30220600 in words is "thirty million, two hundred twenty thousand, six hundred".
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