Base | Representation |
---|---|
bin | 111001101101… |
… | …0011100010110 |
3 | 2002221002212202 |
4 | 1303122130112 |
5 | 30221123440 |
6 | 3000244502 |
7 | 515106422 |
oct | 163323426 |
9 | 62832782 |
10 | 30254870 |
11 | 16094a28 |
12 | a170732 |
13 | 6363cb9 |
14 | 4037b82 |
15 | 29c9615 |
hex | 1cda716 |
30254870 has 8 divisors (see below), whose sum is σ = 54458784. Its totient is φ = 12101944.
The previous prime is 30254857. The next prime is 30254881. The reversal of 30254870 is 7845203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512734 + ... + 1512753.
It is an arithmetic number, because the mean of its divisors is an integer number (6807348).
Almost surely, 230254870 is an apocalyptic number.
30254870 is a deficient number, since it is larger than the sum of its proper divisors (24203914).
30254870 is a wasteful number, since it uses less digits than its factorization.
30254870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3025494.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 30254870 is about 5500.4427094553. The cubic root of 30254870 is about 311.6007041367.
The spelling of 30254870 in words is "thirty million, two hundred fifty-four thousand, eight hundred seventy".
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