Base | Representation |
---|---|
bin | 111010100000… |
… | …0110001111111 |
3 | 2010201101212211 |
4 | 1311000301333 |
5 | 30323032142 |
6 | 3013241251 |
7 | 521503465 |
oct | 165006177 |
9 | 63641784 |
10 | 30674047 |
11 | 16350958 |
12 | a333227 |
13 | 647ca31 |
14 | 4106835 |
15 | 2a5d917 |
hex | 1d40c7f |
30674047 has 2 divisors, whose sum is σ = 30674048. Its totient is φ = 30674046.
The previous prime is 30674023. The next prime is 30674051. The reversal of 30674047 is 74047603.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30674047 - 27 = 30673919 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30674057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15337023 + 15337024.
It is an arithmetic number, because the mean of its divisors is an integer number (15337024).
Almost surely, 230674047 is an apocalyptic number.
30674047 is a deficient number, since it is larger than the sum of its proper divisors (1).
30674047 is an equidigital number, since it uses as much as digits as its factorization.
30674047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14112, while the sum is 31.
The square root of 30674047 is about 5538.4155676511. The cubic root of 30674047 is about 313.0331702437.
The spelling of 30674047 in words is "thirty million, six hundred seventy-four thousand, forty-seven".
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