Base | Representation |
---|---|
bin | 111001100110… |
… | …0111000011000 |
3 | 2002211021200100 |
4 | 1303030320120 |
5 | 30212334240 |
6 | 2555135400 |
7 | 514455444 |
oct | 163147030 |
9 | 62737610 |
10 | 30199320 |
11 | 16057218 |
12 | a144560 |
13 | 6344928 |
14 | 4021824 |
15 | 29b7e30 |
hex | 1ccce18 |
30199320 has 96 divisors (see below), whose sum is σ = 98982000. Its totient is φ = 7984896.
The previous prime is 30199277. The next prime is 30199339. The reversal of 30199320 is 2399103.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53359 + ... + 53921.
Almost surely, 230199320 is an apocalyptic number.
30199320 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 30199320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49491000).
30199320 is an abundant number, since it is smaller than the sum of its proper divisors (68782680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30199320 is a wasteful number, since it uses less digits than its factorization.
30199320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 729 (or 722 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
The square root of 30199320 is about 5495.3907959307. The cubic root of 30199320 is about 311.4098806022.
The spelling of 30199320 in words is "thirty million, one hundred ninety-nine thousand, three hundred twenty".
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