Base | Representation |
---|---|
bin | 111001100111… |
… | …0101000001010 |
3 | 2002211122111022 |
4 | 1303032220022 |
5 | 30213101344 |
6 | 2555232442 |
7 | 514515344 |
oct | 163165012 |
9 | 62748438 |
10 | 30206474 |
11 | 16061631 |
12 | a148722 |
13 | 6347c6c |
14 | 4024294 |
15 | 29ba0ee |
hex | 1ccea0a |
30206474 has 16 divisors (see below), whose sum is σ = 46028520. Its totient is φ = 14865600.
The previous prime is 30206461. The next prime is 30206509. The reversal of 30206474 is 47460203.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 30195025 + 11449 = 5495^2 + 107^2 .
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, 45932 + ... + 46584.
Almost surely, 230206474 is an apocalyptic number.
30206474 is a deficient number, since it is larger than the sum of its proper divisors (15822046).
30206474 is a wasteful number, since it uses less digits than its factorization.
30206474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 985.
The product of its (nonzero) digits is 4032, while the sum is 26.
The square root of 30206474 is about 5496.0416665087. The cubic root of 30206474 is about 311.4344689085.
Adding to 30206474 its reverse (47460203), we get a palindrome (77666677).
The spelling of 30206474 in words is "thirty million, two hundred six thousand, four hundred seventy-four".
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