Base | Representation |
---|---|
bin | 111001100111… |
… | …0100100101110 |
3 | 2002211122012011 |
4 | 1303032210232 |
5 | 30213100004 |
6 | 2555231434 |
7 | 514514611 |
oct | 163164456 |
9 | 62748164 |
10 | 30206254 |
11 | 16061451 |
12 | a14857a |
13 | 6347b30 |
14 | 4024178 |
15 | 29ba004 |
hex | 1cce92e |
30206254 has 16 divisors (see below), whose sum is σ = 49008960. Its totient is φ = 13880160.
The previous prime is 30206251. The next prime is 30206261. The reversal of 30206254 is 45260203.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30206251) 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, 3784 + ... + 8644.
It is an arithmetic number, because the mean of its divisors is an integer number (3063060).
Almost surely, 230206254 is an apocalyptic number.
30206254 is a deficient number, since it is larger than the sum of its proper divisors (18802706).
30206254 is a wasteful number, since it uses less digits than its factorization.
30206254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5115.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 30206254 is about 5496.0216520680. The cubic root of 30206254 is about 311.4337128261.
Adding to 30206254 its reverse (45260203), we get a palindrome (75466457).
The spelling of 30206254 in words is "thirty million, two hundred six thousand, two hundred fifty-four".
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