Base | Representation |
---|---|
bin | 111001100110… |
… | …1000011011101 |
3 | 2002211022122121 |
4 | 1303031003131 |
5 | 30212400104 |
6 | 2555142541 |
7 | 514460506 |
oct | 163150335 |
9 | 62738577 |
10 | 30200029 |
11 | 16057802 |
12 | a144a51 |
13 | 6345052 |
14 | 4021bad |
15 | 29b8254 |
hex | 1ccd0dd |
30200029 has 4 divisors (see below), whose sum is σ = 31016284. Its totient is φ = 29383776.
The previous prime is 30200021. The next prime is 30200033. The reversal of 30200029 is 92000203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92000203 = 1201 ⋅76603.
It can be written as a sum of positive squares in 2 ways, for example, as 25351225 + 4848804 = 5035^2 + 2202^2 .
It is a cyclic number.
It is not a de Polignac number, because 30200029 - 23 = 30200021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30199985 and 30200021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30200021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408072 + ... + 408145.
It is an arithmetic number, because the mean of its divisors is an integer number (7754071).
Almost surely, 230200029 is an apocalyptic number.
It is an amenable number.
30200029 is a deficient number, since it is larger than the sum of its proper divisors (816255).
30200029 is an equidigital number, since it uses as much as digits as its factorization.
30200029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 816254.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 30200029 is about 5495.4553041582. The cubic root of 30200029 is about 311.4123176094.
The spelling of 30200029 in words is "thirty million, two hundred thousand, twenty-nine".
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