Base | Representation |
---|---|
bin | 111010000110… |
… | …1101100010100 |
3 | 2010022202211111 |
4 | 1310031230110 |
5 | 30244333123 |
6 | 3004544404 |
7 | 516642424 |
oct | 164155424 |
9 | 63282744 |
10 | 30464788 |
11 | 16218712 |
12 | a252104 |
13 | 6408703 |
14 | 4090484 |
15 | 2a1b90d |
hex | 1d0db14 |
30464788 has 24 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 14504160.
The previous prime is 30464783. The next prime is 30464821. The reversal of 30464788 is 88746403.
It is a self number, because there is not a number n which added to its sum of digits gives 30464788.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30464783) 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, 24133 + ... + 25363.
It is an arithmetic number, because the mean of its divisors is an integer number (2328480).
Almost surely, 230464788 is an apocalyptic number.
It is an amenable number.
30464788 is a deficient number, since it is larger than the sum of its proper divisors (25418732).
30464788 is a wasteful number, since it uses less digits than its factorization.
30464788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1527 (or 1525 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 40.
The square root of 30464788 is about 5519.4916432585. The cubic root of 30464788 is about 312.3197057074.
The spelling of 30464788 in words is "thirty million, four hundred sixty-four thousand, seven hundred eighty-eight".
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