Base | Representation |
---|---|
bin | 111001010011… |
… | …1110000001001 |
3 | 2002112120001210 |
4 | 1302213300021 |
5 | 30143002431 |
6 | 2552003333 |
7 | 513253200 |
oct | 162476011 |
9 | 62476053 |
10 | 30047241 |
11 | 15a62a34 |
12 | a090549 |
13 | 62c0643 |
14 | 3dc2237 |
15 | 2987d46 |
hex | 1ca7c09 |
30047241 has 24 divisors (see below), whose sum is σ = 47606400. Its totient is φ = 16800672.
The previous prime is 30047233. The next prime is 30047273. The reversal of 30047241 is 14274003.
30047241 = T126 + T127 + ... + T566.
It is not a de Polignac number, because 30047241 - 23 = 30047233 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30047221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4735 + ... + 9083.
It is an arithmetic number, because the mean of its divisors is an integer number (1983600).
Almost surely, 230047241 is an apocalyptic number.
It is an amenable number.
30047241 is a deficient number, since it is larger than the sum of its proper divisors (17559159).
30047241 is a wasteful number, since it uses less digits than its factorization.
30047241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4413 (or 4406 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 30047241 is about 5481.5363722227. The cubic root of 30047241 is about 310.8862636940.
The spelling of 30047241 in words is "thirty million, forty-seven thousand, two hundred forty-one".
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