Base | Representation |
---|---|
bin | 111010011100… |
… | …0110100010010 |
3 | 2010122202010122 |
4 | 1310320310102 |
5 | 30321011201 |
6 | 3012430242 |
7 | 521306414 |
oct | 164706422 |
9 | 63582118 |
10 | 30641426 |
11 | 163293a2 |
12 | a318382 |
13 | 646ac2a |
14 | 40d89b4 |
15 | 2a53e1b |
hex | 1d38d12 |
30641426 has 8 divisors (see below), whose sum is σ = 46384140. Its totient is φ = 15180048.
The previous prime is 30641407. The next prime is 30641437. The reversal of 30641426 is 62414603.
It can be written as a sum of positive squares in 2 ways, for example, as 27050401 + 3591025 = 5201^2 + 1895^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30641395 and 30641404.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70061 + ... + 70496.
Almost surely, 230641426 is an apocalyptic number.
30641426 is a deficient number, since it is larger than the sum of its proper divisors (15742714).
30641426 is a wasteful number, since it uses less digits than its factorization.
30641426 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140668.
The product of its (nonzero) digits is 3456, while the sum is 26.
The square root of 30641426 is about 5535.4698084264. The cubic root of 30641426 is about 312.9221635127.
The spelling of 30641426 in words is "thirty million, six hundred forty-one thousand, four hundred twenty-six".
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