Base | Representation |
---|---|
bin | 111010111000… |
… | …1001101100110 |
3 | 2011002111000001 |
4 | 1311301031212 |
5 | 30400404142 |
6 | 3021411514 |
7 | 523261030 |
oct | 165611546 |
9 | 64074001 |
10 | 30872422 |
11 | 164769a9 |
12 | a409b9a |
13 | 651c109 |
14 | 4158c50 |
15 | 2a9c5b7 |
hex | 1d71366 |
30872422 has 16 divisors (see below), whose sum is σ = 53015040. Its totient is φ = 13208328.
The previous prime is 30872419. The next prime is 30872437. The reversal of 30872422 is 22427803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8533 + ... + 11599.
It is an arithmetic number, because the mean of its divisors is an integer number (3313440).
Almost surely, 230872422 is an apocalyptic number.
30872422 is a deficient number, since it is larger than the sum of its proper divisors (22142618).
30872422 is a wasteful number, since it uses less digits than its factorization.
30872422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3795.
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 30872422 is about 5556.2957084734. The cubic root of 30872422 is about 313.7065360976.
The spelling of 30872422 in words is "thirty million, eight hundred seventy-two thousand, four hundred twenty-two".
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