Base | Representation |
---|---|
bin | 111010000111… |
… | …0101100011110 |
3 | 2010022222110120 |
4 | 1310032230132 |
5 | 30300001034 |
6 | 3005015410 |
7 | 516660411 |
oct | 164165436 |
9 | 63288416 |
10 | 30468894 |
11 | 16220805 |
12 | a254566 |
13 | 640a541 |
14 | 4091b78 |
15 | 2a1cc49 |
hex | 1d0eb1e |
30468894 has 16 divisors (see below), whose sum is σ = 64145280. Its totient is φ = 9621720.
The previous prime is 30468887. The next prime is 30468899. The reversal of 30468894 is 49886403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30468899) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133522 + ... + 133749.
It is an arithmetic number, because the mean of its divisors is an integer number (4009080).
Almost surely, 230468894 is an apocalyptic number.
30468894 is an abundant number, since it is smaller than the sum of its proper divisors (33676386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30468894 is a wasteful number, since it uses less digits than its factorization.
30468894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267295.
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 30468894 is about 5519.8635852709. The cubic root of 30468894 is about 312.3337364096. Note that the first 3 decimals are identical.
The spelling of 30468894 in words is "thirty million, four hundred sixty-eight thousand, eight hundred ninety-four".
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