Base | Representation |
---|---|
bin | 111010100011… |
… | …0011000000000 |
3 | 2010202120022110 |
4 | 1311012120000 |
5 | 30324300320 |
6 | 3013535320 |
7 | 521630340 |
oct | 165063000 |
9 | 63676273 |
10 | 30696960 |
11 | 16367098 |
12 | a344540 |
13 | 648a2a8 |
14 | 4110d20 |
15 | 2a655e0 |
hex | 1d46600 |
30696960 has 160 divisors (see below), whose sum is σ = 112349952. Its totient is φ = 7004160.
The previous prime is 30696959. The next prime is 30696961. The reversal of 30696960 is 6969603.
It is an interprime number because it is at equal distance from previous prime (30696959) and next prime (30696961).
It is a tau number, because it is divible by the number of its divisors (160).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30696961) 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, 53475 + ... + 54045.
Almost surely, 230696960 is an apocalyptic number.
30696960 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 30696960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56174976).
30696960 is an abundant number, since it is smaller than the sum of its proper divisors (81652992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30696960 is an equidigital number, since it uses as much as digits as its factorization.
30696960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 604 (or 588 counting only the distinct ones).
The product of its (nonzero) digits is 52488, while the sum is 39.
The square root of 30696960 is about 5540.4837333937. The cubic root of 30696960 is about 313.1110943582. Note that the first 3 decimals are identical.
The spelling of 30696960 in words is "thirty million, six hundred ninety-six thousand, nine hundred sixty".
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