Base | Representation |
---|---|
bin | 111010001110… |
… | …0101000111101 |
3 | 2010102212211002 |
4 | 1310130220331 |
5 | 30303313023 |
6 | 3010140045 |
7 | 520316060 |
oct | 164345075 |
9 | 63385732 |
10 | 30526013 |
11 | 1625a711 |
12 | a281625 |
13 | 642a53b |
14 | 40a88d7 |
15 | 2a2eb28 |
hex | 1d1ca3d |
30526013 has 8 divisors (see below), whose sum is σ = 35154240. Its totient is φ = 25964640.
The previous prime is 30525977. The next prime is 30526019. The reversal of 30526013 is 31062503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30526013 - 26 = 30525949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30526019) 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, 15728 + ... + 17561.
It is an arithmetic number, because the mean of its divisors is an integer number (4394280).
Almost surely, 230526013 is an apocalyptic number.
It is an amenable number.
30526013 is a deficient number, since it is larger than the sum of its proper divisors (4628227).
30526013 is a wasteful number, since it uses less digits than its factorization.
30526013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33427.
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 30526013 is about 5525.0351130106. The cubic root of 30526013 is about 312.5287883879.
Adding to 30526013 its reverse (31062503), we get a palindrome (61588516).
The spelling of 30526013 in words is "thirty million, five hundred twenty-six thousand, thirteen".
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