Base | Representation |
---|---|
bin | 111010110011… |
… | …1111111010101 |
3 | 2011000120011220 |
4 | 1311213333111 |
5 | 30343202040 |
6 | 3020520553 |
7 | 523042632 |
oct | 165477725 |
9 | 64016156 |
10 | 30834645 |
11 | 16450586 |
12 | a3b0159 |
13 | 6507b6a |
14 | 4149189 |
15 | 2a912d0 |
hex | 1d67fd5 |
30834645 has 16 divisors (see below), whose sum is σ = 49595712. Its totient is φ = 16358400.
The previous prime is 30834631. The next prime is 30834659. The reversal of 30834645 is 54643803.
It is an interprime number because it is at equal distance from previous prime (30834631) and next prime (30834659).
It is not a de Polignac number, because 30834645 - 25 = 30834613 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431 + ... + 8220.
It is an arithmetic number, because the mean of its divisors is an integer number (3099732).
Almost surely, 230834645 is an apocalyptic number.
It is an amenable number.
30834645 is a deficient number, since it is larger than the sum of its proper divisors (18761067).
30834645 is a wasteful number, since it uses less digits than its factorization.
30834645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10852.
The product of its (nonzero) digits is 34560, while the sum is 33.
The square root of 30834645 is about 5552.8951907991. The cubic root of 30834645 is about 313.5785283363.
The spelling of 30834645 in words is "thirty million, eight hundred thirty-four thousand, six hundred forty-five".
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