Base | Representation |
---|---|
bin | 111001100101… |
… | …1100111110000 |
3 | 2002211000121020 |
4 | 1303023213300 |
5 | 30212203120 |
6 | 2555055440 |
7 | 514434423 |
oct | 163134760 |
9 | 62730536 |
10 | 30194160 |
11 | 16053357 |
12 | a141580 |
13 | 6342489 |
14 | 401d9ba |
15 | 29b6640 |
hex | 1ccb9f0 |
30194160 has 80 divisors (see below), whose sum is σ = 94639776. Its totient is φ = 7962624.
The previous prime is 30194149. The next prime is 30194161. The reversal of 30194160 is 6149103.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 30194160.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30194161) 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, 22632 + ... + 23928.
Almost surely, 230194160 is an apocalyptic number.
30194160 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 30194160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47319888).
30194160 is an abundant number, since it is smaller than the sum of its proper divisors (64445616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30194160 is a wasteful number, since it uses less digits than its factorization.
30194160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1410 (or 1404 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 30194160 is about 5494.9212915200. The cubic root of 30194160 is about 311.3921432656.
The spelling of 30194160 in words is "thirty million, one hundred ninety-four thousand, one hundred sixty".
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