Base | Representation |
---|---|
bin | 111010000111… |
… | …0101010101110 |
3 | 2010022222022102 |
4 | 1310032222232 |
5 | 30300000112 |
6 | 3005015102 |
7 | 516660161 |
oct | 164165256 |
9 | 63288272 |
10 | 30468782 |
11 | 16220713 |
12 | a254492 |
13 | 640a486 |
14 | 4091ad8 |
15 | 2a1cbc2 |
hex | 1d0eaae |
30468782 has 8 divisors (see below), whose sum is σ = 45818352. Its totient is φ = 15196000.
The previous prime is 30468751. The next prime is 30468787. The reversal of 30468782 is 28786403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30468787) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18194 + ... + 19797.
It is an arithmetic number, because the mean of its divisors is an integer number (5727294).
Almost surely, 230468782 is an apocalyptic number.
30468782 is a deficient number, since it is larger than the sum of its proper divisors (15349570).
30468782 is a wasteful number, since it uses less digits than its factorization.
30468782 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38394.
The product of its (nonzero) digits is 64512, while the sum is 38.
The square root of 30468782 is about 5519.8534400834. The cubic root of 30468782 is about 312.3333537086. Note that the first 4 decimals are identical.
The spelling of 30468782 in words is "thirty million, four hundred sixty-eight thousand, seven hundred eighty-two".
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