Base | Representation |
---|---|
bin | 111010001010… |
… | …0111101100110 |
3 | 2010101021200101 |
4 | 1310110331212 |
5 | 30301311231 |
6 | 3005334314 |
7 | 520125304 |
oct | 164247546 |
9 | 63337611 |
10 | 30494566 |
11 | 16239023 |
12 | a26739a |
13 | 641912b |
14 | 409b274 |
15 | 2a25661 |
hex | 1d14f66 |
30494566 has 16 divisors (see below), whose sum is σ = 48541680. Its totient is φ = 14318080.
The previous prime is 30494539. The next prime is 30494567. The reversal of 30494566 is 66549403.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30494567) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21726 + ... + 23086.
It is an arithmetic number, because the mean of its divisors is an integer number (3033855).
Almost surely, 230494566 is an apocalyptic number.
30494566 is a deficient number, since it is larger than the sum of its proper divisors (18047114).
30494566 is a wasteful number, since it uses less digits than its factorization.
30494566 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2039.
The product of its (nonzero) digits is 77760, while the sum is 37.
The square root of 30494566 is about 5522.1885154348. The cubic root of 30494566 is about 312.4214321950.
The spelling of 30494566 in words is "thirty million, four hundred ninety-four thousand, five hundred sixty-six".
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