Base | Representation |
---|---|
bin | 111010100100… |
… | …0001100101000 |
3 | 2010202221112220 |
4 | 1311020030220 |
5 | 30330020144 |
6 | 3014034040 |
7 | 521661162 |
oct | 165101450 |
9 | 63687486 |
10 | 30704424 |
11 | 16371763 |
12 | a348920 |
13 | 64907ca |
14 | 4113932 |
15 | 2a67919 |
hex | 1d48328 |
30704424 has 32 divisors (see below), whose sum is σ = 77118720. Its totient is φ = 10187136.
The previous prime is 30704423. The next prime is 30704497. The reversal of 30704424 is 42440703.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 30704394 and 30704403.
It is not an unprimeable number, because it can be changed into a prime (30704423) 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, 2484 + ... + 8220.
It is an arithmetic number, because the mean of its divisors is an integer number (2409960).
Almost surely, 230704424 is an apocalyptic number.
It is an amenable number.
30704424 is an abundant number, since it is smaller than the sum of its proper divisors (46414296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30704424 is a wasteful number, since it uses less digits than its factorization.
30704424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5969 (or 5965 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 24.
The square root of 30704424 is about 5541.1572798469. The cubic root of 30704424 is about 313.1364700720.
The spelling of 30704424 in words is "thirty million, seven hundred four thousand, four hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •