Base | Representation |
---|---|
bin | 111001100110… |
… | …1100010101110 |
3 | 2002211102101201 |
4 | 1303031202232 |
5 | 30212431110 |
6 | 2555200114 |
7 | 514466365 |
oct | 163154256 |
9 | 62742351 |
10 | 30202030 |
11 | 16059261 |
12 | a14603a |
13 | 6345c31 |
14 | 40227dc |
15 | 29b8b3a |
hex | 1ccd8ae |
30202030 has 32 divisors (see below), whose sum is σ = 58164480. Its totient is φ = 11251200.
The previous prime is 30202019. The next prime is 30202049. The reversal of 30202030 is 3020203.
It is a super-2 number, since 2×302020302 = 1824325232241800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 30201998 and 30202016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16291 + ... + 18049.
It is an arithmetic number, because the mean of its divisors is an integer number (1817640).
Almost surely, 230202030 is an apocalyptic number.
30202030 is a deficient number, since it is larger than the sum of its proper divisors (27962450).
30202030 is a wasteful number, since it uses less digits than its factorization.
30202030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1884.
The product of its (nonzero) digits is 36, while the sum is 10.
The square root of 30202030 is about 5495.6373606707. The cubic root of 30202030 is about 311.4191953322.
30202030 divided by its sum of digits (10) gives a palindrome (3020203).
Adding to 30202030 its reverse (3020203), we get a palindrome (33222233).
It can be divided in two parts, 3020 and 2030, that added together give a triangular number (5050 = T100).
The spelling of 30202030 in words is "thirty million, two hundred two thousand, thirty".
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