Base | Representation |
---|---|
bin | 111001100111… |
… | …0101100000110 |
3 | 2002211122211122 |
4 | 1303032230012 |
5 | 30213103401 |
6 | 2555233542 |
7 | 514516154 |
oct | 163165406 |
9 | 62748748 |
10 | 30206726 |
11 | 16061840 |
12 | a1488b2 |
13 | 6348104 |
14 | 40243d4 |
15 | 29ba21b |
hex | 1cceb06 |
30206726 has 32 divisors (see below), whose sum is σ = 52005888. Its totient is φ = 13033440.
The previous prime is 30206723. The next prime is 30206731. The reversal of 30206726 is 62760203.
It is a junction number, because it is equal to n+sod(n) for n = 30206695 and 30206704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30206723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34571 + ... + 35433.
It is an arithmetic number, because the mean of its divisors is an integer number (1625184).
Almost surely, 230206726 is an apocalyptic number.
30206726 is a deficient number, since it is larger than the sum of its proper divisors (21799162).
30206726 is a wasteful number, since it uses less digits than its factorization.
30206726 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 956.
The product of its (nonzero) digits is 3024, while the sum is 26.
The square root of 30206726 is about 5496.0645920513. The cubic root of 30206726 is about 311.4353349620.
Adding to 30206726 its reverse (62760203), we get a palindrome (92966929).
The spelling of 30206726 in words is "thirty million, two hundred six thousand, seven hundred twenty-six".
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