Base | Representation |
---|---|
bin | 111010001001… |
… | …1011111111100 |
3 | 2010100222110101 |
4 | 1310103133330 |
5 | 30301113242 |
6 | 3005250444 |
7 | 520101652 |
oct | 164233774 |
9 | 63328411 |
10 | 30488572 |
11 | 16234574 |
12 | a263a24 |
13 | 641649a |
14 | 4098dd2 |
15 | 2a239b7 |
hex | 1d137fc |
30488572 has 6 divisors (see below), whose sum is σ = 53355008. Its totient is φ = 15244284.
The previous prime is 30488569. The next prime is 30488573. The reversal of 30488572 is 27588403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30488573) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3811068 + ... + 3811075.
Almost surely, 230488572 is an apocalyptic number.
It is an amenable number.
30488572 is a deficient number, since it is larger than the sum of its proper divisors (22866436).
30488572 is a wasteful number, since it uses less digits than its factorization.
30488572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7622147 (or 7622145 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 37.
The square root of 30488572 is about 5521.6457691525. The cubic root of 30488572 is about 312.4009610421.
The spelling of 30488572 in words is "thirty million, four hundred eighty-eight thousand, five hundred seventy-two".
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